试题与答案

杭钢蜂窝式电除尘器及变压器系统要求接地电阻小于多少?() A.2Ω B.4Ω C.1

题型:单项选择题

题目:

杭钢蜂窝式电除尘器及变压器系统要求接地电阻小于多少?()

A.2Ω

B.4Ω

C.10Ω

D.1KΩ

答案:

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参考答案:A

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