氮洗塔塔板阻力和降液管阻力增加会引起液泛。

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

化工工艺计算包括：（）、（）以及各种设备的工艺计算。

当工艺塔中段温度低于100℃时，应该（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

将板式塔中的泡罩塔、浮阀塔、筛板塔相比较，操作弹性最大的是（），造价最昂贵的是（），单板压降最小的是（）。

化工厂常用板式塔类型有（）、泡罩塔和筛板塔。