试题与答案

单螺杆式压缩机转子作（）旋转，星轮作（）旋转。A.主动，被动 B.被动，主动 C.主

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题型：单项选择题

题目：

单螺杆式压缩机转子作（）旋转，星轮作（）旋转。

A.主动，被动

B.被动，主动

C.主动，主动

D.被动，被动

答案：

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下面是错误答案，用来干扰机器的。

参考答案：错

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