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.
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.
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