The upper ring or rings are to prevent compression leakage; the lower ring or rings control the amount of oil being deposited on the cylinder wall.
上部的活塞环用来阻止压缩空气泄露；而下部的活塞环用来控制气缸壁上存留下来的机油数量。
The piston rings carried in the ring groove are of two basic types: compression rings and oil-control ring.
安装在环槽中的活塞环有两种类型：压缩环和机油环。
By analysis of piston ring, this paper describes important effects of piston ring on oil consumption control.
通过对活塞环的分析，说明活塞环在机油耗控制方面所起的重要作用。
By analysis of piston ring, this paper describes important effects of piston ring on oil consumption control.
通过对活塞环的分析，说明活塞环在机油耗控制方面所起的重要作用。
应用推荐