Unburned hydrocarbon would increase over a wide range of equivalent ratio, shortening the time interval between injection timing and ignition timing can decrease the value to that of homogeneous mixture combustion.
与均匀混合气燃烧相比,碳氢的排放增加,缩短喷射时刻与点火时刻的时间差可达到均匀混合气燃烧时相同的排放量。
if the flammable gas supply cannot be shut off, the continued escape of unburned gas can create an explosive mixture in the air.
如果易燃气体供应无法切断,不断逸出的未燃气体会在空气中形成爆炸性混合物。
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