工作粗暴 meaning in English

rough running
run way

At the conditions with the same fuel injection quantity per cycle and the same engine speed , with the increase of the additive mass fraction in the fuel , the ignition and heat release timings brought forward , the peak of heat release rate increased and the operating range at low engine load was enlarged obviously . however , excessive additives will make the engine be prone to knock , run rudely and shorten the operating range at high engine load
在相同循环喷油量和相同转速的条件下,随着添加剂质量分数的增加, hcci着火和燃烧放热提前,燃烧放热峰值提高,低负荷工况范围明显拓宽,但过高的添加剂质量分数会使得发动机爆震,工作粗暴,导致高负荷工况变窄。
The results of the experiments has shown : the lpg / diesel dual fuel engine has kept its high power performance and reduced its emissions , especially the soot and nox after the fuel - supplied system has been set up ; the fuel economy performance has been improved at some degree when high load ; however , when lpg ratio increased , the engine showed the trend of violence for high compression ratio
试验结果表明：在采用了自行设计的联动式燃油供给系统后， lpg柴油双燃料发动机在保持原机高功率的同时，排放量，尤其是碳烟和no _ x有大幅度的降低；在高负荷时，其燃油经济性也有相当的提高。但当lpg的掺烧比加大到50以上时，会出现工作粗暴的倾向。