（）, 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.

Banks have no liability for any delay or loss caused by postal or telex failure.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

信息标记牌包括位置标记牌、方向标记牌、目的地标记牌、跑道出口标记牌、脱离跑道标记牌、交叉点起飞和（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

从跑道端延伸的一个长方形区，其宽度不小于300米，使飞机起飞时飞越这个区达到一个规定的高度，这个长方形区为（）。