汽油机有害排放物及其控制装置

Hazardous Emissions from Gasoline Engines and Their Control Devices

本文首先介绍了汽车上汽油机对大气污染的影响现状,然后介绍了汽油机的有害排放物有哪些并指出了它们的危害,接着讲解了主流汽油机的排放控制装置有哪些,最后总结了全篇文章的作用及意义。

This paper first introduces the current situation of the influence of gasoline engine on air pollution,then introduces the harmful emissions of gasoline engine and points out their harm,then explains the emission control device of mainstream gasoline engine,and finally summarizes the function and significance of the whole article.