根据摩擦学原理，采用动态磨损模拟试验和表面微观分析研究的方法和技术，对气门动态磨损特性进行了系统的试验研究。
The wear properties of valve are systemically investigated by using dynamic simulation testing and surface microscopic analysis techniques based on principle of tribology.
根据摩擦学原理，采用动态磨损模拟试验和表面微观分析研究的方法和技术，对气门动态磨损特性进行了系统的试验研究。
The wear properties of valve are systemically investigated by using dynamic simulation testing and surface microscopic analysis techniques based on principle of tribology.
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