本文对涡流室式柴油机在冷起动条件下主、副燃烧室内燃油喷雾和着火过程进行了高速摄影。
The high speed photography was applied to visualize the fuel spray and ignition process in main and prechamber in a swirl type diesel engine at cold starting condition.
在建立接触副统计表面分形模型的基础上，分析了不同加载条件下的接触应力对磨损状态的影响。
The statistical fractal model of contact surfaces is presented, and the influence of contact stresses on damage states under different load condition is analyzed.
从金属密封副的密封机理出发，对密封的必要条件进行了分析，设计出了大流量的阀座组件。
Based on the sealing mechanism of the metallic sealing pair, the necessary conditions of sealing were analyzed and the large flow valve components were designed.
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