丁烯乙烯的三种气态同分异构体之一，C4H8，主要用于制造合成橡胶。

Any of three gaseous isomeric ethylene hydrocarbons, C4H8, used principally in making synthetic rubbers.

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丁烯乙烯的三种气态同分异构体之一，C4H8，主要用于制造合成橡胶。

Any of three gaseous isomeric ethylene hydrocarbons, C4H8, used principally in making synthetic rubbers.

youdao