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.

恒定流是指什么？ 

恒定总流的动量方程是什么？表示了什么实际意义？有何应用条件？

恒定干燥条件是指哪些条件要恒定，完成本实难要测取哪些数据？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

化工操作单元设备中的塔有几种基本形式？应用原理是什么？

生物产品干燥与其他化工产品比较，有什么特殊性？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。