（）, 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。

汽车铅酸蓄电池单格电池中，负极板比正极板多一片的原因是（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

目前国产蓄电池极板的厚度为（）mm，国外大都采用（）mm厚的薄型极板（正极板比负极板（））。采用薄型极板可提高蓄电池的（）。