液压泵是液压系统的动力元件，而液压缸则是液压系统的执行元件。（）

液压阀是液压系统的（）

1985年，江西工学院更名为（）；江西大学和江西共青垦殖场联合创办了江西大学共青学院。

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.

液压破拆工具组包括机动液压泵、手动液压泵、液压剪切器、液压扩张器、液压剪扩器、液压撑顶器等，特勤消防站应配备至少1套。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

山西大学改为国立后，工学院存在哪些系？（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。