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研究了ＴＹ４９５Ｑ柴油机用不同的燃料供给系统对工作过程的影响．并对喷油及燃烧过程每循环动态特性进行了测量分析，发现有的循环存在二次喷射时，燃烧过程后燃较大．
The impact of different fuel supply systems on TY495Q diesel engine working process was studied. The dynamic characteristics of each cycle of fuel injection and combustion were measured and analyzed. It was found that there was a secondary injection in some cycles, and the combustion after combustion was large.