（）, 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（）.

乔治·萨顿写了（）本专著。

乔治·萨顿写了（）本专著。

乔治·萨顿的女儿梅·萨顿是一位（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

（）谁为王熙凤写了一部40万字的专著《论凤姐》？

按摩的发展简史按摩。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。