（）, 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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

在焦耳和卡的换算中，一卡等于多少焦耳？

60psi等于（）kgf/cm，等于（）kpa。

天体方位等于90°NW，换算成圆周方位等于（）。

表压的一个工程大气压值等于1MPa。

强单位中1MPa近似等于（）个标准大气压。

非法定压力单位与法定压力单位的换算，1工程大气压近似等于（）帕斯卡。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。