为什么世界很多国家发展核电？现今世界核电发电量是多少？

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

一股已知所有进料条件物料经过一个电加热器升温后进入闪蒸器进行平衡闪蒸分离，系统在操作时自由度是多少？（不考虑流动压降）（）

可燃液化气体的闪蒸现象指的是突然泄压瞬间气化。

闪蒸的原理是什么？

闪蒸原理是什么？

闪蒸槽的工作原理：（）。

叙述T1401的内部结构及闪蒸分离原理？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。