... labyrinth seal ==> 曲径汽封,密封迷路,拉别令密封,迷宫汽封,迷宫式密封 labyrinth seal ring ==> 迷宫止水环 labyrinth sealing ==> 迷宫止水 ...
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... 迷宫汽封，曲径汽封 labyrinth seal 汽封环，迷宫汽封片 labyrinth seal ring 迷宫式封闭，迷宫式密封 labyrinth sealing ...
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Labyrinth seal and piston ring provide a dual sealing system, keeping oil clean and reducing wear.
曲径汽封和活塞环提供了双密封系统，使油保持洁净并减少磨损。
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