Abstract : the three - way emission control technology and the principle of auto exhaust cat alytic converter are introduced . this article indicates some new requires in the auto materials and manufacture techniques after using catalytic converter 文摘:介紹了汽車(chē)尾氣三元催化凈化技術(shù)及凈化器的主要工作原理,著重指出了三元催化凈化技術(shù)及凈化器的出現(xiàn)給汽車(chē)材料和制造技術(shù)上帶來(lái)的一些新要求,提出了清潔環(huán)保性能是今后汽車(chē)發(fā)展的重要方向。