（）, 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.

（）年武当山的古建筑群被例为世界物质文化遗产。

武当山古建筑群于（）年12月列入世界文化遗产。

武当山和青城山都是道教名山，都曾有庞大的道教建筑群。

（）是联结民航与社会、地区性公共设施的纽带，为政府管辖下的半企业性质。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

武当山位于湖北十堰市（）境内。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

北武当山位于（）？