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直流电动机在旋转过程中,电枢线圈中的电流方向() Direction of current in armature coil during rotation of DC motor will ()
A.改变change
B.不改变 not change
C.无关 not be related
D.不确定 be uncertain
参考答案和解析
A
更多 “直流电动机在旋转过程中,电枢线圈中的电流方向() Direction of current in armature coil during rotation of DC motor will ()A.改变changeB.不改变 not changeC.无关 not be relatedD.不确定 be uncertain” 相关考题
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