（）, 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 （）.

依据《建筑地基基础工程施工规范》GB51004-2015，5.9.4，人工挖孔桩的桩净距小于（）时，应采用间隔开挖和间隔灌注。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

人工挖孔桩的桩位允许偏差为（）

人工挖孔桩的桩位偏差不是其主控项目。

人工挖孔桩的直径一般为（），桩底一般都扩底。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。