在供电设备输出的功率S一定时：功率因素COSΦ低，有功功率就（）无功功率就多。?

低功率因数功率表的功率因数一般多为( )

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.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

为何C65的电气附件MX12Vdc及48Vdc的吸合功率比24Vdc的吸合功率低很多？

电工仪表按仪表的测量内容分为电压表、电流表、（）、功率表、功率因素表等。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。