题目内容
(请给出正确答案)
[单选题]
用兆欧表测量吸收比是测量()时绝缘电阻之比。
A.15s和60s
B.15s和45s
C.20s和70s
D.20s和60s
提问人:网友tangmanyun2019
发布时间:2022-05-08
A.15s和60s
B.15s和45s
C.20s和70s
D.20s和60s
吸收比,是兆欧表在额定转速下,60s的绝缘电阻读数和()的绝缘电阻读数之比
A.60s
B.45s
C.30s
D.15s
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