[化] 不饱和烃
[医] 不饱和烃

unsaturated hydrocarbon的用法和样例：

例句

Abundant cutinite and exitinite of oil shale cause the volume of long-chain saturated hydrocarbon increases.油页岩中含有丰富的角质体和壳屑体，导致长链饱和烃增加。

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英语新闻

英语词汇分类：石油化工

oil field 油田 wildcat 盲目开掘的油井 percussive drilling 冲击钻探 rotary drilling 旋转钻探 offshore drilling 海底钻探 well 井，油井 derrick 井架 Christmas tree 采油树 cr

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英文语法词汇

BP discovers new oil in Gulf of Mexico

HOUSTON, Sept. 7 (Xinhua) -- British oil giant BP announced Wednesday it had a major oil discovery in the Gulf of Mexico. An appraisal well the company drilled in a previously untested northern segment of the Mad Dog field in the Gulf of Mexico found

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英语新闻

Turkish-Kurdish Oil Deals Upset Baghdad

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学英语单词

automatic target assignment

awareness stage

battery control area