检索结果-南通市图书馆

Melt flow,heat transfer and solidification in a flexible thin slab continuous casting mold with vertical-combined electromagnetic braking

引用

Journal of Iron and Steel Research(International) 2024年第2期31卷 401-415页

作者： Lin Xu Ze-feng Han christian Karcher En-gang Wang Key Laboratory of Electromagnetic Processing of Materials(Ministry of Education) Northeastern UniversityShenyang110819LiaoningChina Key Laboratory of Liaoning Province for Clean Combustion Power Generation and Heating Technology Shenyang Institute of EngineeringShenyang110136LiaoningChina Institute of Thermodynamics and Fluid Mechanics Technische Universität IlmenauIlmenau98684Germany

During continuous casting of steel slabs,the application of electromagnetic braking technology(EMBr)provides an effective tool to influence solidification by controlling the pattern of melt flow in the ***,the quality of the final product can be improved considerably.A new electromagnetic braking(EMBr)method,named vertical-combined electromagnetic braking(VC-EMBr),is proposed to be applied to a flexible thin slab casting(FTSC)*** evaluate the beneficial effects of the VC-EMBr,the melt flow,heat transfer,and solidification processes in the FTSC mold are studied by means of numerical *** detail,a Reynolds-averaged Navier–Stokes turbulence model together with an enthalpy-porosity approach was *** numerical findings are compared with respective simulations using the traditional *** results demonstrate that the application of the VC-EMBr contributes significantly to preventing relative slab *** contrast to the Ruler-EMBr,the additional vertical magnetic poles of the VC-EMBr preferentially suppress the direct impact of jet flow on the narrow face of FSTC mold and considerably diminish the level fluctuation near the meniscus *** instance,by applying a magnetic flux density of 0.3 T,the maximum amplitude of meniscus deflection reduces by about 80%.Moreover,the braking effect of the VC-EMBr effectively improves the homogeneity of temperature distribution in the upper recirculation region and increases the solidified shell thickness along the casting *** this basis,the newly proposed VC-EMBr shows a beneficial effect in preventing relative slab defects for FTSC thin slab continuous casting.

关键词： Electromagnetic braking Mold Melt flow Heat transfer Solidification

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Small mammal community composition impacts bank vole (Clethrionomys glareolus) population dynamics and associated seroprevalence of Puumala orthohantavirus

引用

Integrative Zoology 2024年第1期19卷 52-65页

作者： Felicitas Maria BuJNOCH Daniela REIL Stephan DREWES ulrike MROSENFELD Rainer G.uLRICH Jens JACOB christian IMHOLT Julius Kühn-Institute Federal Research Centre for Cultivated PlantsInstitute for Epidemiology and Pathogen DiagnosticsRodent ResearchMünsterGermany university of Münster Institute for Evolution and BiodiversityMünsterGermany Friedrich-Loeffler-Institut Federal Research Institute for Animal HealthInstitute of Novel and Emerging Infectious DiseasesGreifswald-Insel RiemsGermany

Rodents are important reservoirs for zoonotic pathogens that cause diseases in *** is hypoth-esized to be closely related to pathogen prevalence through multiple direct and indirect *** example,the presence of non-host species can reduce contact rates of the main reservoir host and thus reduce the risk of transmission(“dilution effect”).In addition,an overlap in ecological niches between two species could lead to increased interspecific competition,potentially limiting host densities and reducing density-dependent pathogen transmission *** this study,we investigated the relative impact of population-level regulation of direct and indirect drivers of the prevalence of Puumala orthohantavirus(PuuV)in bank voles(Clethrionomys glareolus)during years with high *** compiled data on small mammal community composition from four regions in Germany between 2010 and *** equation modeling revealed a strong seasonality in PuuV control mechanisms in bank *** abundance of shrews tended to have a negative relationship with host abundance,and host abundance positively influenced PuuV seroprevalence,while at the same time increasing the abundance of competing non-hosts like the wood mouse(Apodemus sylvaticus)and the yellow-neckedfield mouse(Apodemusflavicollis)were associated with reduced PuuV seroprevalence in the *** results indicate that for PuuV in bank voles,dilution is associated with increased interspecific *** pressures leading to the decline of Apodemus *** a specific habitat could lead to the amplification of mechanisms promoting PuuV transmission within the host populations.

关键词： bank vole biodiversity Puumala orthohantavirus small mammals

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Prospective cohort study on facial profile changes in infants with Robin sequence and healthy controls

引用

World Journal of Pediatrics 2024年第6期20卷 581-589页

作者： Cornelia Wiechers Julian Sowula Karen Kreutzer Christoph E.Schwarz Christina Weismann Michael Krimmel christian F.Poets Bernd Koos Department of Neonatology Tuebingen University HospitalCalwerstrasse 772076 TuebingenGermany Center for Cleft Lip Palate and Craniofacial MalformationsTuebingen University HospitalTuebingenGermany Department of Orthodontics Tuebingen University HospitalTuebingenGermany Department of Oral and Maxillofacial Surgery Tuebingen University HospitalTuebingenGermany

Background Various conservative and surgical approaches exist to treat Robin sequence(RS),but their effects on facial profile and mandibular catch-up growth are unclear.A functional treatment concept,used in our centre for 25 years,includes an individualized palatal plate with a velo-pharyngeal extension and intensive feeding *** We performed a prospective study to objectively describe facial profiles in infants with RS treated with the above *** with isolated RS were admitted to our tertiary perinatal and national referral centre for craniofacial malformations between May 2018 and Nov *** with RS received 3D-photographs during clinically indicated *** controls were recruited from Dec 2018 to Sep 2019 and received 3D-photographs every 3 *** digitally measured jaw index(JI),defined as alveolar overjet(O)x maxillary arch(u)/mandibular arch(L),and the soft tissue reference points A’-point,Nasion’,B’-point angle(ANB’),describing the relative position of maxilla to mandible,were *** mixed models were used to examine time trajectories in JI and ANB’.Results A total of 2073D images,obtained in 19 infants with RS and 32 controls,were *** and ANB’decreased over time in both groups[for JI−0.18(95%CI−0.25 to−0.10);for ANB’:−0.40°per month[(95%CI−0.48 to−0.32)]]but remained lower in controls[for JI−2.5(95%CI−3.2 to−1.8);for ANB’-1.7°(95%CI−2.4 to−1.0)].Also,the ANB’model showed a significant effect of the interaction term diagnosis x *** Based on longitudinal 3D images,we describe changes in objective parameters of facial profile in infants with and without RS during the first year of *** findings indicate catch-up growth in infants treated for RS.

关键词： Infant Mandibular catch-up growth Pre-epiglottic Baton Plate Robin sequence Three-dimensional photography

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

A Deep-Learning and Transfer-Learning Hybrid Aerosol Retrieval Algorithm for FY4-AGRI:Development and Verification over Asia

引用

Engineering 2024年第7期38卷 164-174页

作者： Disong Fu Hongrong Shi christian AGueymard Dazhi Yang Yu Zheng Huizheng Che Xuehua Fan Xinlei Han Lin Gao Jianchun Bian Minzheng Duan Xiangao Xia Key Laboratory of Middle Atmosphere and Global Environment Observation Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 10029China Key Laboratory of Cloud-Precipitation Physics and Severe Storms Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029China Solar Consulting Services ColebrookNH 03576USA School of Electrical Engineering and Automation Harbin Institute of TechnologyHarbin 150006China State Key Laboratory of Severe Weather&Key Laboratory of Atmospheric Chemistry Institute of Atmospheric Composition and Environmental MeteorologyChinese Academy of Meteorological SciencesChina Meteorological AdministrationBeijing 100081China National Institute of Natural Hazards Ministry of Emergency Management of ChinaBeijing100085China Key Laboratory of Compound and Chained Natural Hazards Dynamics Ministry of Emergency Management of ChinaBeijing 100085China h National Satellite Meteorological Center China Meteorological AdministrationBeijing 100081China university of Chinese Academy of Sciences Beijing 100049China

The Advanced Geosynchronous Radiation Imager(AGRI)is a mission-critical instrument for the Fengyun series of *** acquires full-disk images every 15 min and views East Asia every 5 min through 14 spectral bands,enabling the detection of highly variable aerosol optical depth(AOD).Quantitative retrieval of AOD has hitherto been challenging,especially over *** this study,an AOD retrieval algorithm is proposed that combines deep learning and transfer *** algorithm uses core concepts from both the Dark Target(DT)and Deep Blue(DB)algorithms to select features for the machinelearning(ML)algorithm,allowing for AOD retrieval at 550 nm over both dark and bright *** algorithm consists of two steps:①A baseline deep neural network(DNN)with skip connections is developed using 10 min Advanced Himawari Imager(AHI)AODs as the target variable,and②sunphotometer AODs from 89 ground-based stations are used to fine-tune the DNN ***-of-station validation shows that the retrieved AOD attains high accuracy,characterized by a coefficient of determination(R2)of 0.70,a mean bias error(MBE)of 0.03,and a percentage of data within the expected error(EE)of 70.7%.A sensitivity study reveals that the top-of-atmosphere reflectance at 650 and 470 nm,as well as the surface reflectance at 650 nm,are the two largest sources of uncertainty impacting the *** a case study of monitoring an extreme aerosol event,the AGRI AOD is found to be able to capture the detailed temporal evolution of the *** work demonstrates the superiority of the transfer-learning technique in satellite AOD retrievals and the applicability of the retrieved AGRI AOD in monitoring extreme pollution events.

关键词： Aerosol optical depth Retrieval algorithm Deep learning Transfer learning Advanced Geosynchronous Radiation Imager

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Neuroprotective effects of G9a inhibition through modulation of peroxisome-proliferator activator receptor gamma-dependent pathways by miR-128

引用

Neural Regeneration Research 2024年第11期19卷 2532-2542页

作者： Aina Bellver-Sanchis Pedro AAvila-López Iva Tic David Valle-García Marta Ribalta-Vilella Luis Labrador Deb Ranjan Banerjee Ana Guerrero Gemma Casadesus Coralie Poulard Mercè Pallàs christian Grinán-Ferré Department of Pharmacology and Therapeutic Chemistry Institut de Neurociències-Universitat de BarcelonaBarcelonaSpain Department of Biochemistry and Molecular Genetics Feinberg School of MedicineNorthwestern UniversityChicagoILUSA Institute of Biotechnology National Autonomous University of MexicoCuernavacaMexico Department of Pharmacology and Therapeutics Health Science Center-University of FloridaGainesvilleFLUSA Department of Chemistry National Institute of Technology DurgapurM G AvenueDurgapurWest BengalIndia Cancer Research Cancer Lyon Universitéde LyonLyonFrance Inserm u1052 Centre de Recherche en Cancérologie de LyonLyonFrance CNRS uMR5286 Centre de Recherche en Cancérlogie de LyonLyonFrance Centro de Investigación en Red Enfermedades Neurodegenerativas(CIBERNED)Instituto de Salud Carlos IIIMadridSpain Neuroimmunology Department National Institute of Neurology and Neurosurgery“Manuel Velasco Suárez”Mexico CityMexico

Dysregulation of G9a,a histone-lysine N-methyltransferase,has been observed in Alzheimer’s disease and has been correlated with increased levels of chronic inflammation and oxidative ***,microRNAs are involved in many biological processes and diseases playing a key role in pathogenesis,especially in multifactorial diseases such as Alzheimer’s ***,our aim has been to provide partial insights into the interconnection between G9a,microRNAs,oxidative stress,and *** better understand the biology of G9a,we compared the global microRNA expression between senescence-accelerated mouse-prone 8(SAMP8)control mice and SAMP8 treated with G9a inhibitor *** found a downregulation of miR-128 after a G9a inhibition treatment,which interestingly binds to the 3′untranslated region(3′-uTR)of peroxisome-proliferator activator receptor γ(PPARG)***,Pparg gene expression levels were higher in the SAMP8 group treated with G9a inhibitor than in the SAMP8 control *** also observed modulation of oxidative stress responses might be mainly driven Pparg after G9a *** confirm these antioxidant effects,we treated primary neuron cell cultures with hydrogen peroxide as an oxidative *** this setting,treatment with G9a inhibitor increases both cell survival and antioxidant ***,up-regulation of PPARγby G9a inhibitor could also increase the expression of genes involved in DNA damage responses and *** addition,we also described that the PPARγ/AMPK axis partially explains the regulation of autophagy markers ***,PPARγ/GADD45αpotentially contributes to enhancing synaptic plasticity and neurogenesis after G9a ***,we propose that pharmacological inhibition of G9a leads to a neuroprotective effect that could be due,at least in part,by the modulation of PPARγ-dependent pathways by miR-128.

关键词： aging cognitive decline epigenetics G9a inhibition microRNAs miR-128 peroxisome-proliferator activator receptorγ(PPARγ) PPARG SAMP8

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

互花米草有利于我国海岸带蓝碳功能提升

引用

Science Bulletin 2024年第12期69卷 1991-2000页

作者：张靖凡毛德华刘纪化陈雅萍 Matthew Kirwan christian Sanders 周金戈卢哲覃国铭黄幸运李慧焉恒琦焦念志苏纪兰王法明 Guangdong Key Laboratory of Applied Botany Xiaoliang Research Station of Tropical Coastal Ecosystemsthe CAS Engineering Laboratory for Ecological Restoration of Island and Coastal EcosystemsSouth China Botanical GardenChinese Academy of SciencesGuangzhou 510650China university of Chinese Academy of Sciences Beijing 100049China South China National Botanical Garden Chinese Academy of SciencesGuangzhou 510650China Key Laboratory of Wetland Ecology and Environment Northeast Institute of Geography and AgroecologyChinese Academy of SciencesChangchun 130102China Marine Research Institute Shandong UniversityQingdao 266237China School of Ecology Shenzhen Campus of Sun Yat-sen UniversityShenzhen 518107China Virginia Institute of Marine Science Gloucester PointVA 23062USA National Marine Science Centre School of EnvironmentScience and EngineeringSouthern Cross UniversityCoffs HarbourNSW 2450Australia Guangdong Eco-engineering Polytechnic Guangzhou 510520China Carbon Neutral Innovation Research Center and Fujian Key Laboratory of Marine Carbon Sequestration Xiamen UniversityXiamen 361005China Second Institute of Oceanography State Oceanic AdministrationHangzhou 310012China Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai) Zhuhai 519082China School of Ecology and Environment Hainan UniversityHaikou 570228China

Spartina alterniflora has rapidly and extensively encroached on China's coastline over the past *** the coastal areas invaded by ***,at most 93%are ***,the effect of *** invasion on soil organic carbon(SOC)stocks of coastal mudflats has not been systematically studied on a national ***,we quantified the nationwide changes in SOC stocks in coastal mudflats associated with *** invasion between 1990 and *** found that *** invasion significantly enhanced SOC stocks in coastal ***,the benefit of *** invasion of coastal SOC stock may be weakened by continuing human *** found that *** invading mudflats added 2.3 Tg SOC stocks to China's coastal blue carbon,while 1.78 Tg SOC stocks were lost mainly due to human activities,resulted in a net SOC stock gain of 0.52 Tg *** findings overturned the traditionally thought that *** invasion would reduce ecosystem services by highlighting that the historical invasion of *** has broadly and consistently enhanced blue carbon stock in coastal China.

关键词： Spartina alterniflora invasion Mudflats China coastal wetland Blue carbon sequestration

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

美国敦煌基金会的历史

引用

敦煌研究 2024年第4期 30-32页

作者：克里斯蒂安·胡达克倪密·盖茨王平先敦煌基金会敦煌研究院编辑部

21世纪初，在游客数量快速增长、气候变化、城市发展造成污染加剧的情况下，莫高窟保护面临着巨大的挑战。敦煌基金会就是在这种情况下出现的。2010年，在樊院长的要求下，倪密·盖茨和李培德一起在美国特拉华州正式成立非营利组织敦煌... 详细信息

21世纪初，在游客数量快速增长、气候变化、城市发展造成污染加剧的情况下，莫高窟保护面临着巨大的挑战。敦煌基金会就是在这种情况下出现的。2010年，在樊院长的要求下，倪密·盖茨和李培德一起在美国特拉华州正式成立非营利组织敦煌基金会。自成立以来，敦煌基金会就与敦煌研究院不断发展的需求密切相关，以支持敦煌研究院建立游客中心、举办针对中国保护学者的培训项目、举办相关展览等多种方式助力敦煌文化艺术的研究与弘扬。

关键词：敦煌基金会敦煌研究院莫高窟游客中心

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Post-orogenic transients and relict landforms of the Bafoussam–Mamfe region(West-Cameroon Highland margin)

引用

Journal of Mountain Science 2022年第8期19卷 2180-2201页

作者： Pascal Landry WABO DEFO Sébastien OWONA Moussa NSANGOu NGAPNA christian BALLA ATEBA christian MWABANuA MuTABI The university of Douala Faculty of ScienceDepartment of Earth SciencesDouala 24157Cameroon The university of Lubumbashi Faculty of ScienceDepartment of GeologyLubumbashi 1825Democratic Republic of Congo

The Bafoussam-Mamfe Region(BMR)belongs to the Western Cameroon Highland margin,an amalgam of transient landscape that evolved from the interactions between tectonics,lithology and climate *** area is tectonically active and shows differential tectonic uplift,contrasting relief,variations in erosion rates,in river incision,and in channel *** order to appraise the BMR tectono-geomorphic evolution,it is essential to understand relationships between internal and external processes and their geomorphic expression at a river basin *** this purpose,we use drainage texture(Dt),stream frequency(Fs),drainage density(Dd),asymmetry factor(AF),the transverse topographic symmetry factor(TTSF),the mean of mountain front sinuosity per unit(Smf),concavity factor(Cf),hypsometry integral(HI)and streamlength gradient index(SL-index)based on 30 m Digital Elevation Models(DEM)and field *** results reveal considerable variations in geology,relief,topography and geomorphic indices values differentiated into three geomorphic units;the Mamfe unit developed on the Mamfe Cretaceous basin,the Nguti and Bafoussam high plateau units build up on the Precambrian granito-gneissic basement overlaid by a volcanic *** stepped(longitudinal and normalized)river profiles and complex hypsometric curves show the lithostructural control of the hydrographic ***(from~1.21 to~4.59),Fs(from~0.26 to~1.91),Dd(from~0.66 to~1.71)geomorphic indice values indicate a part of lithologic control on this morphology while the AF(from~1.16to~24.91),TTSF(from~0.20 to~0.71),Smf(u2=1.11 and u3=1.19),Cf(from~-20.91 to~78.93),HI(from~0.12 to~0.52)and SL-index designate the active tectonics as the main factor that had controlled the morphology of this same *** results pinpoint the combined post-Pan-African to Recent tectonic features,lithologic heterogeneities and the differential erosion processes as main factors that have controlled the BMR *** results highlight how

关键词： Geomorphic indices Tectonic,Lithology Differential erosion Bafoussam-Mamfe Cameroon

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Precision medicine in Parkinson's disease patients with LRRK2 and GBA risk variants-Let's get even more personal

引用

Translational Neurodegeneration 2020年第4期9卷 499-508页

作者： christian u.von Linstow Ziv Gan-Or Patrik Brundin Center for Neurodegenerative Science Van Andel InstituteGrand RapidsMI 49503USA Montreal Neurological Institute McGill UniversityMontrealQC H3A 2B4Canada Department of Human Genetics McGill UniversityMontrealQC H3A 0C7Canada Department of Neurology and Neurosurgery McGill UniversityMontrealQC H3A 2B4Canada

Parkinson's disease(PD)is characterized by motor deficits and a wide variety of non-motor *** age of onset,rate of disease progression and the precise profile of motor and non-motor symptoms display considerable individual ***,the loss of substantia nigra dopaminergic neurons is a key feature of *** vast majority of PD patients exhibit alpha-synuclein aggregates in several brain regions,but there is also great variability in the neuropathology between *** the dopamine replacement therapies can reduce motor symptoms,current therapies do not modify the disease *** clinical trials using a wide variety of approaches have failed to achieve disease *** has been suggested that the heterogeneity of PD is a major contributing factor to the failure of disease modification trials,and that it is unlikely that a single treatment will be effective in all *** medicine,using drugs designed to target the pathophysiology in a manner that is specific to each individual with PD,has been suggested as a way *** patients can be stratified according to whether they carry one of the risk variants associated with elevated PD *** this review we assess current clinical trials targeting two enzymes,leucine-rich repeat kinase 2(LRRK2)and glucocerebrosidase(GBA),which are encoded by two most common PD risk *** the details of the pathogenic processes coupled to the different LRRK2 and GBA risk variants are not fully understood,we ask if these precision medicinebased intervention strategies will prove"precise"or"personalized"enough to modify the disease process in PD *** also consider at what phases of the disease that such strategies might be effective,in light of the genes being primarily associated with the risk of developing disease in the first place,and less clearly linked to the rate of disease ***,we critically evaluate the notion that therapies target

关键词： Parkinson's disease Precision medicine Personalized medicine Glucocerebrosidase GCase Leucine-rich repeat kinase-2 Dopamine PD drug trials PD risk variants

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

A data-driven machine learning approach for yaw control applications of wind farms

引用

Theoretical & Applied Mechanics Letters 2023年第5期13卷 341-352页

作者： christian Santoni Zexia Zhang Fotis Sotiropoulos Ali Khosronejad Department of Civil Engineering Stony Brook UniversityStony BrookNY 11794United States Mechanical and Nuclear Engineering Virginia Commonwealth UniversityVA 23284United States

This study proposes a cost-effective machine-learning based model for predicting velocity and turbulence kineticenergy fields in the wake of wind turbines for yaw control *** model consists of an auto-encoderconvolutional neural network(ACNN)trained to extract the features of turbine wakes using instantaneous datafrom large-eddy simulation(LES).The proposed framework is demonstrated by applying it to the Sandia NationalLaboratory Scaled Wind Farm Technology facility consisting of three 225 kW *** of this site is performedfor different wind speeds and yaw angles to generate datasets for training and validating the proposed *** is shown that the ACNN accurately predicts turbine wake characteristics for cases with turbine yaw angleand wind speed that were not part of the training ***,the ACNN is shown to reproduce thewake redirection of the upstream turbine and the secondary wake steering of the downstream turbine *** to the brute-force LES,the ACNN developed herein is shown to reduce the overall computational costrequired to obtain the steady state first and second-order statistics of the wind farm by about 85%.

关键词： Wind energy Machine learning Yaw controlLarge eddy simulations Convolutional neural networks

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：