试题与答案

水泵盘车是用手转动()或泵轴检查机组转子转动是否灵活,有无异常声音。A、叶轮 B、护

题型:单项选择题

题目:

水泵盘车是用手转动()或泵轴检查机组转子转动是否灵活,有无异常声音。

A、叶轮

B、护罩

C、轴承

D、联轴器

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A, B, C, D

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