制氢转化原料同碳数烃类的积碳倾向是：环烷烃＞芳烃＞烯烃＞烷烃。

系统中雷达状态包括Unknown、Operational（or ON）、Failed（or OFF）、Detached。

Shutdown price（or point，or rule） 停业价格（或停业点、停业原则）

翻译：With Average or With Particular Average（WA or WPA）（）

放射性测井方法可分为两大类，一类是（）测井，另一类是（）测井。

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

烃类蒸汽转化制氢的生产要经过脱毒、转化、变换、提纯四个主要工序。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。