In order to reduce the exhausts, many kinds of exhaust control technology are becoming the core technology of the spark ignition engine especially the after-treatment ones.
为了控制汽油机的有害排放物,各种汽油机排放控制技术已成为汽油机技术发展的核心,特别是排气后处理技术。
参考来源 - 三元催化转化器快速老化试验系统的开发·2,447,543篇论文数据，部分数据来源于NoteExpress
This paper studies the effect of fuel characteristics on spark ignition engine performance.
本文主要研究燃料组分对火花点火发动机运行性能的影响。
However, the spark ignition engine that only adopts biogas hasn't been studied in our country.
但是对于单纯使用生物质气做燃料的火花点火发动机，国内目前还没有详细的研究报告。
In this paper, the vibration character of the spark ignition engine model 492 and its major components are calculated with the finite element analysis method.
本文用有限元法计算了492型汽油机及其主要部件的自振特性。
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