若物系的界面张力σ与两相密度差Δρ的比值（σ/Δρ）大，宜选用（）萃取设备。

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

有抗冻要求的混凝土工程，宜优先选用（）。

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？

地下防水工程宜选用（　　）。

固体含量高的固体和液体混合物的分离宜选用（）

相比较来讲，对于抢修工程或早期强度要求高的工程宜优先选用（）

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.

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。