试题与答案

压缩机把空气自低压空间送至高压空间需要消耗() A.功 B.气量 C.机油 D.电能

题型:单项选择题

题目:

压缩机把空气自低压空间送至高压空间需要消耗()

A.功

B.气量

C.机油

D.电能

答案:

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