试述当塔顶使用冷回流时，精馏塔内的汽液相负荷分布规律？

汽液相平衡时，每个组分在汽液两相中（）度相等。

在气动仪表的比较环节中，其平衡原理包括（）。 ①动量平衡原理 ②动能平衡原理 ③力平衡原理 ④位移平衡原理 ⑤力矩平衡原理 ⑥势能平衡原理

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。

汽、液相平衡时，气相温度（）液相温度。

气液相平衡和相平衡常数的物理意义是什么？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。