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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

油田气是与石油共生的天然气，它可溶于石油中，或呈游离状存在于油藏的（）。

在开发气顶油藏中，油井生产时，井底及近井地带的压力必然低于饱和压力，所以（）驱的作用是不可避免的。

当原始地层压力大于饱和压力时，油藏为饱和油藏。

依靠弹性驱动的油藏，油藏压力应始终（）饱和压力。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

储量丰度即每平方千米的石油地质储量，它是反映油藏储量的指标之一。油田储量丰度（）的储量丰度等级为高等级。