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为保护环境，改善大气质量，ＧＢ１４７６１—１９９９《汽车排放污染物限值及测试方法》、ＧＢ１７６９１—１９９９《压燃式发动机和装用压燃式发动机的车辆排气污染物排放限值及测试方法》、ＧＢ３８４７—１９９９《压燃式发动机和装用压燃式发动机的车辆排气可见污染...
To protect the environment and improve the air quality, GB14761-1999 “Limits and test methods of pollutants emitted by vehicles”, GB17691-1999 “Limits and test methods of vehicle exhaust pollutants for compression ignition engines and compression ignition engines” , GB3847-1999 "compression-ignition engine and equipped with compression ignition engine exhaust visible pollution ...