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运行中的变压器保护,当现场(),重瓦斯保护应由“跳闸”位置改为“信号”位置运行.

单选题
2021-09-01 20:45
A、进行注油和滤油时
B、变压器中性是不接地运行时
C、变压器轻瓦斯保护动作后
D、变压器中性是接地运行时
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正确答案
A

试题解析

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