试题与答案

电磁起动器按灭弧介质分()。A、空气式B、真空式C、混合式

题型:多项选择题

题目:

电磁起动器按灭弧介质分()。

A、空气式

B、真空式

C、混合式

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

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