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150kw用多大的电缆_家居日记
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150kw用多大的电缆

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150kw用多大的电缆 用70平的铜芯电缆，150kw属于高压电范畴，一般是在三相电压中，也就是380伏的工作电压，根据公式I=P÷（√3UcosΦ）可以计算出


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