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分别为()">一台三相6极电动机,每极每相槽数q=3,则定子总槽数Z1和极距分别为()
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的旋转速度说法正确的是()">关于三相异步电动机转子边产生的磁动势的旋转速度说法正确的是()
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和励磁电流的波形()">单相变压器磁路饱和时,主磁通和励磁电流的波形()
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