There are some defects in the existing method of the screening and setting in the process of bidding for the equipment Basing on these points,the author thought that the cost of equipment maintenance should be attache...
详细信息
There are some defects in the existing method of the screening and setting in the process of bidding for the equipment Basing on these points,the author thought that the cost of equipment maintenance should be attached great importance in a bid,and he put forward a *** the lowest cost of equipment life cycte should be used to perfect the existing means of bidding for equipment so as to the economic efficiency
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