在二冲程发动机中你必须混和燃料和气体，因为气缸壁上的孔阻止使用活塞环密封燃烧室。
You have to mix oil into the gas in a two-stroke engine because the holes in the cylinder wall prevent the use of rings to seal the combustion chamber.
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.
所以活塞环就用来提供必要的密封。
Thus, piston rings must be used to provide the necessary seal.
应用推荐