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三相四线电表零线怎么接_家居日记
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三相四线电表零线怎么接

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三相四线电表零线怎么接 三相四线一般是三根火线、一根零线，每一条火线之间的电压在380V，而且任何一根火线和零线电压在220V，在进行接线时，可以对应好接线，一


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