根据工程热力学理论，蒸汽在汽轮机内的工作为（）。

人工制冷常用吸收式制冷、蒸汽喷射式制冷和压缩式制冷。

制冷剂是在压缩式制冷系统中进行压缩、冷凝、蒸发三个主要热力过程。 ( )

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。

蒸汽压缩式理想制冷循环的制冷系数与（）有关。

蒸汽压缩式制冷系统由（）组成。

制冷系统单级蒸汽压缩式制冷循环中，循环过程只经过一个压缩级即可完成制冷剂（）的转换。

蒸汽压缩制冷系统四大部件是指（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。