They reduce the change in viscosity caused by temperature change and do not produce any sludge after combustion.
他们减少在温度变化造成的黏度上的变化，并且不在燃烧以后生产任何烂泥。
The exhaust gas is cleared out of the cylinders after combustion is completed.
在燃烧完成后废气被排出气缸。
After combustion calculation of different nozzles are finished by using maximum firing pressure and fuel consumption rating as indexes, reasonable nozzle's parameter is found.
对不同喷油嘴进行燃烧计算，以最高燃烧压力和燃油消耗率为指标，选取合理的喷油嘴参数。
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