首先分析了含间隙s副副元素的接触状态和接触条件，建立了含间隙s副的一般力学模型。
The contact states and contact conditions of the pairing elements of the s pair with clearance are analyzed in detail.
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.
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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