英语语法分析

In order to utilize the primary components isoprene, cyclopentadiene and piperylene efficiently, the appropriate method for separation should be selected to gain pure monomer.

为了有效利用其中主要组分，需选择合适的分离方法制取一定纯度的单体。

From the application of cyclopentadiene, dicyclopentadiene, isoprene and piperylene and the application of C5 petroleum resin, the paper analyzes the comprehensive application of cracking C5.

从环戊二烯和双环戊二烯的利用、异戊二烯的利用、间戊二烯的利用以及C5石油树脂的利用等几方面分析裂解c5的综合利用。