The cam is an egg-shaped piece of metal on a shaft that rotates in coordination with the crankshaft.
The cam is an egg-shaped piece of metal on a shaft that rotates in coordination with the crankshaft.
凸轮是一在轴上的蛋形的金属，通过曲轴协调旋转。
The cam is an egg-shaped piece of metal on a shaft that rotates in coordination with the crankshaft.
凸轮是一在轴上的蛋形的金属，通过曲轴协调旋转。