电器的正常位置是指什么?
参考答案:
电器的正常位置是指电空、电磁接触器是断开位置,反向器是指向前位置,牵引制动转换器是指牵引位置,继电器是指线路处于正常状态位置。
I guess Tom won’t keep on asking me the time from now on, as he has had ______.
A.his watch repaired
B.his watch repairing
C.repaired his watch
D.repair his watch
A.举哑铃
B.在跑步机上跑步
C.引体向上
D.用弹簧拉力器健身