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AD008运行中变压器高压侧偏差不得超过额定值的() ,低压最大不平衡电

发布于 2021-04-19 22:41:57

【单选题】
A ±3% ;22%
B ± 5% ; 10%
C ±5% ;25%
D ± 10% ;15%

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这家伙很懒，什么也没写！

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