“乙烷”造句

天然气不含硫, 含甲烷88-99%, 乙烷6%和丙烷3%.
The gas , which is sulphur - free , contains 89 - 99 % methane, up to 6 % ethane, and 3 % propane.

某些苯代 ( 或多苯 ) 环氧乙烷是制取带苯环 ( 或二苯 ) 碳烯的极好原料.
Phenyl ( or polyphenyl ) substituted epoxides serve as excellent precursors to phenyl ( or diphenyl ) carbenes.

为了凝结氯乙烷气体,必须使用大量的冷却水.
Great quantities of cooling water must be available for condensation of the ethylchloride.

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