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介绍美国加州最新颁布的排放标准,进而结合国产小型通用汽油机的排放现状统计,指出了国产小型通用汽油机产品排放存在的差距及面临的挑战。
This paper introduces the latest emission standards released by California in the United States. Based on the statistics of the emissions of domestic small common gasoline engines, the differences and challenges in the emission of domestic small common gasoline engines are pointed out.