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配电箱怎么看多少回路_家居日记
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配电箱怎么看多少回路

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配电箱怎么看多少回路 计算出配电箱里面除了总开关以外，有多少个控制开关，就代表有多少个回路。一般单匹开关占一个，而二、三匹开关分别各占二、三个，单匹漏电开关会占


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