admission cam shaft的用法和样例：
- Forgings for heavy and light truck, mini-bus and car, engine crankshaft, con-rod, cam shaft and axle of railway truck.
- Normalizing of defective castings will liminate the acicular and streak cemtentities,therefore failure of the cam shaft has been thus overcome.
- The cause of the grinding crack on medium frequency induction hardened cam shaft made of spheroidal cast iron was analyzed.
- The bimetal bushing for spring bush , piston pin , rocker arm , connecting rod , cam shaft , balance shaft and other applications of bimetal bushings .