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（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

饱和液体与饱和蒸汽共存的状态为湿蒸汽，如继续加热，液体全部变成蒸汽称为干饱和蒸汽，若再加热，形成过热蒸汽，其蒸汽的温度与沸点之差称为（）。

某地层的含水饱和度等于其束缚水饱和度Swirr，下列判断错误的是（）。

水饱和度

在油、气、水三相共存时则（）=1。

饱和粘性土的不固结不排水强度主要取决于()【三峡大学2006年研究生入学考试试题】

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。