膜剂中常用的成膜材料是

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

常用布尔算符有：and、or、not等，当采用同义词进行检索时应当选用的算符是？

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.

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。

膜剂常选用的成膜材料是

以下可以作膜剂成膜材料的是（）。

可以作为膜剂成膜材料的是