发电机的极对数和转子转速，决定了（）。

发电机定子绕组为直接（）冷，定、转子铁芯及转子绕组为（）冷。

笼型异步电动机转子的极对数（）定子绕组的极对数，而与转子导条的数目（）。

发电机为外转子结构的（），叶轮直接与发电机转子连接.

同步发电机电枢电势的频率与发电机的极对数关系是（）。

同步电机的转子转速总等于由电机极对数和电枢电流频率所决定的同步转速。

三相绕线式异步电动机的定子绕组与转子绕组的极对数（）。

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。