“Precent”可以造什么句,Precent造句
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2、The developments of the fluoroelastomers and the new grade fluoroelastomers developed recently were introduced in the this paper. At Precent, fluoro elastomers have been used in a various aspects.
1、Research of Evaluation on Precent Statas of Urban Land Intensive Utilization--Taking Baoding City as Case;