简述布尔算符（OR）的作用。

OR指令的作用是: 。( )

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

跨隔-射孔测试联作中压力释放装置的作用是（）。

呼吸机压力释放阀故障可导致（）。

呼吸机压力释放阀故障可导致

润滑油压力低的原因可能有：（）（1）压力传感器故障（2）润滑油泵吸口滤网堵塞（3）润滑油泵释放阀故障（4）润滑油泵进口吸入空气。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。