Hence, the diesel engine can not change its excessive air coefficient to change the emission when partly loading as the petrol engine.

因此，柴油机不能像汽油机那样可以改变过量空气系数来改变部分负荷时的排放。

youdao

Hence, the diesel engine can not change its excessive air coefficient to change the emission when partly loading as the petrol engine.

因此，柴油机不能像汽油机那样可以改变过量空气系数来改变部分负荷时的排放。

youdao