浓水反渗透浓水回用至（）。

反渗透设备中使用的膜称为半透膜，它只允许溶质通过，而不允许水通过。

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。

循环水场补充水采用回用水、浓水反渗透浓水及工业水。

氯乙烯车间所用组合塔有哪两种形式，内部结构如何？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

水处理反渗透膜安装在膜壳内，每只膜壳装（）膜，膜壳由（）制成