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1 发动机的非正常状况与排放的关系众所周知,发动机中的燃烧过程直接影响排放,而影响燃烧过程的最重要因素是空燃比和点火系。 1.1 汽油机燃油系统和进排气系统对排放的影响
1 engine abnormal situation and the emission is well known that the engine combustion process directly affects the emissions, and the impact of the combustion process, the most important factor is the air-fuel ratio and ignition system. 1.1 gasoline engine fuel system and intake and exhaust system on the impact of emissions