（）, 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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

在解剖上，咽隐窝位于()

蝶筛隐窝位于哪个解剖部位后上方（）。

关于胸膜隐窝的描述正确的是（）。

关于胸膜隐窝的描述正确的是（）

最大最重要的胸膜隐窝（）

胸膜隐窝的最低点是：（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。