（）, 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（）.

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

（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

孔、轴公差带代号由基本偏差代号和标准公差等级代号组成，用大小不同的字体书写。（）

公差带的位置由（）决定，公差带的大小由公差决定。

标准公差是指国家标准中用（），用以确定公差带大小的任一公差值。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。