翻译：With Average or With Particular Average（WA or WPA）（）

简述布尔算符（OR）的作用。

OR指令的作用是: 。( )

辅助固位附着体的辅助固位形式较多；例如辅以（）固位、（）固位、（）固位、（）固位等方式；均可增加固位力。

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, 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。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

按附着体位置及结构分类，覆盖义齿附着体可分为（）