39.下列何種試驗,可以測出三相感應電動機之全部銅損?
(A)絕緣試驗
(B)堵住試驗
(C)溫度試驗
(D)無載試驗
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統計: A(0), B(15), C(2), D(2), E(0) #2252562
統計: A(0), B(15), C(2), D(2), E(0) #2252562