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对车用汽油机的怠速排放特性进行了试验研究，分析了汽油机急速排放特性与怠速转速、点火正时和化油器怠速调整状况之间的关系，指出了影响化油器式汽油机怠速排放的主要因素，并提出了降低怠速排放的一些措施。
The characteristics of idle emission of a gasoline engine are studied. The relationship between the characteristics of the rapid discharge of a gasoline engine and the idle speed, ignition timing and the idle speed of the carburetor is analyzed. The main factors that affect the idling speed of the carburetor are pointed out Factors, and put forward some measures to reduce idle emissions.