英语语法分析

The system and the method for preparing high-quality petrol by hydrogenation after recombining component oil refining hydrocarbon cannot only remove olefin, but also can remove thioalcohol and diene.

本发明的后加氢制备高质量汽油的系统和方法不仅能脱烯烃，还能脱硫醇和双烯。

Ethylene oxide is the derivative of ethane and the intermediate of organic chemistry raw materials. It reacts easily with water, alcohol, ammonia, amine, phenol, hydrogen halide, acid and thioalcohol.

环氧乙烷是乙烯衍生物有机化工原料中间体，它易与水、醇、氨、胺、酚、卤化氢、酸及硫醇进行开环反应。