单项选择题
JJG1021-2007规定,电压互感器的误差检定点有()。
A.20%,80%,100%
B.80%,100%,110%
C.80%,100%,115%
D.80%,100%,120%
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单项选择题
A.20%,80%,100%
B.80%,100%,110%
C.80%,100%,115%
D.80%,100%,120%
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