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【单选题】
有一电源和负载都是星形联结的对称三相电路,已知电源相电压为220V,负载每相阻抗模 。负载的线电流为( )。
A.
10A
B.
38A
C.
22A
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She is applying for a kindergarten teacher position.
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【单选题】( )是指通过各种途径,增加障碍的承担者,从而降低障碍。
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