Description: East Auto Parts Co.,Ltd ---- We are sencialized in types of fuel injection system parts(lunger,nozzle),and engine parts (supercharger,cylinder,pistons).

-----我公司主营汽车燃油件（柱塞、油嘴等）和发动件（增压器、、活塞等）。

The tribophysics of the cylinder liner—piston rings in an internal combustion engine is a typical tribological system with the reciprocating motion and the impacting motion.

内燃——活塞环摩擦副是一个集往复、冲击于一体的典型的摩擦学。