矿井通风就是把地面上的新鲜空气送到井下，将井下的（）排至地面。

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

矿井火灾是指发生在煤矿井下或（）而能够波及到井下的火灾。

煤矿安全规程规定，随矿井通风风流从回风井排出的煤层气最多不能超过（）。

在矿井通风中，利用局部通风机或主要通风机产生的风压对井下局部地点进行通风的方法称为（）。

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。