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三相电表的接法有几种_家居日记
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三相电表的接法有几种

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三相电表的接法有几种 三相电表的接法有两种，第一种是进1---4----7，出线2--5----8。接线的时候需要特别的注意进出线，不要接反；第二种是叫互感器接


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