When the motocycle is running in the dynamometer, the emission will be collected in the sample bag and the contaminant such as HC,NOx,CO in the emission be caculated.

• 当摩托车运行于测功机上时,其排气污染物如总碳氢、氮氧化物和一氧化碳被检测设备收集并进行检测,计算出污染物排放值。