每一活塞组的重量配平公差不超过0.5克。
活塞组是柴油机中工作条件最苛刻的零件之一。
Piston group is one of the diesel engine parts that works in the worst condition.
活塞组采用两道压缩环，密封能力强、配气定时准确；
There are two compression rings for the piston group which guarantees good sealing performance and accurate valve timing.
系统地阐述了发动机缸套活塞组瞬态摩擦力的测量方法。
This paper introduces systematically the method for measuring the instantaneous friction force of cylinder liner-piston pair in the engine.
活塞组的设计直接影响着柴油机性能、使用可靠性及耐久性。
The designs of piston directly affect the engine performance, reliability and durability of use.
其特征是一个与主轴转动配合的齿轮套与两套活塞组的连杆齿条相啮合。
It features in the engaging of the gear sleeve that matches with the rotary of the master shaft and the connecting rod rack of two sets pistons.
采用直接耦合的有限元分析方法对一汽油机的活塞组—气缸套系统的瞬态传热过程进行了研究。
The transient heat transfer process of piston set-cylinder liner system in gasoline engine was researched with direct coupling finite element method (FEM).
结果表明，磨损对环组的密封性能影响很大，而工况对活塞环的密封性影响不是很明显；
The simulation results show that wear has a great influence on piston tings seal, but the influence of working conditions is not obvious.
两组线圈在一个连续电磁力的作用下来回移动一个微型活塞。
Two coils move the piston back and forth magnetically at a constant force.
两组线圈在一个连续电磁力的作用下来回移动一个微型活塞。
Two coils move a piston back and forth magnetically at a constant force.
两组线圈在一个连续电磁力的作用下来回移动一个微型活塞。
Two coils move a piston back and forth magnetically at a constant force.
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