通过试验找出了诸因素对怠速排放污染物浓度的影响规律，如混合气质量，点火，发动机转速，冷却水温度及燃烧室表面积炭等。
These factors are mixture concentration, ignition advance Angle, engine speed, temperature of cooling water and carbon deposit on the SUrfaces of the combustion chamber, etc.
通过试验找出了诸因素对怠速排放污染物浓度的影响规律，如混合气质量，点火，发动机转速，冷却水温度及燃烧室表面积炭等。
These factors are mixture concentration, ignition advance Angle, engine speed, temperature of cooling water and carbon deposit on the SUrfaces of the combustion chamber, etc.
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