凸轮轴和曲轴协调旋转, 但速度仅是曲轴的一半.The camshaft rotates in phase with the crankshaft, but at half its speed.在发动机里, 机油被供应到旋转在其支承轴内的曲轴和凸轮轴轴颈上.In the engine, oil is supplied to crankshaft and camshaft journals rotating in their support...

“凸轮轴”的英语可以翻译为：camshaft，[化] cam shaft ...