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.
有些活塞上有金属或皮革的密封环。
如今，磨合就是在磨合活塞密封环。
Nowadays, the piston ring seal is really what the break in process is all about.
应用推荐