在这些活塞中，活塞环的数量减少到三个，即两个气环，一个油环。
On these pistons the number piston rings was reduced to three, two compression and one oil-control.
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。
Labyrinth seal and piston ring provide a dual sealing system, keeping oil clean and reducing wear.
清洁活塞环槽或油环开缝，绝对不能损伤金属部分。
Be sure that you do not remove metal when cleaning ring grooves or oil slots.
事实上有两种活塞环，气环和油环。
Actually, there are two types of rings, compression rings and oil-control rings.
事实上有两种活塞环，气环和油环。
Actually, there are two types of rings, compressed rings and nil-control rings.
在减速时，油里面悬浮的颗粒排出排气筒，而不是积聚在活塞和环之间的沟槽内，这可以使环磨损减缓。
During deceleration, the particles suspended in the oil blow out the exhaust, rather than accumulating in the ring grooves between the piston and rings. This keeps the rings from wearing too much.
本公司能够生产高质量的翻边瓦 内孔拉轴瓦 小孔钢质油环（活塞环）等，产品达400多种．主要销往欧洲、拉美、中东、俄罗斯和东南亚等国家。
There are more than 400 kinds of such products, It mainly sells to Europe, Latin-America, Middle-East, Russia and Southeast Asia.
本公司能够生产高质量的翻边瓦 内孔拉轴瓦 小孔钢质油环（活塞环）等，产品达400多种．主要销往欧洲、拉美、中东、俄罗斯和东南亚等国家。
There are more than 400 kinds of such products, It mainly sells to Europe, Latin-America, Middle-East, Russia and Southeast Asia.
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