供油提前角是喷油泵开始向汽缸内供油时，活塞顶部距上止点所对应的曲轴转角。
本文提出了一种柴油机供油提前角电液调节系统，建立了动态数字模型。
In this paper, a new control system of an electro-hydraulic fuel injection advancer is presented and its dynamic mathematical model is developed.
增大供油提前角可以减少燃烧过程前期的碳粒生成量，进而降低碳粒排放。
Soot formation can be restrained hence the emission of soot can be decreased with the increased injection advance Angle.
首次系统地研究了供油提前角、喷嘴启喷压力对E30混合燃料发动机性能的影响。
It's the first time to question extensively the influences of fuel delivery advance Angle and injection pressure on performance of E30 engine.
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