Can be a passive CAM or a spring-loaded device with two or more camming pieces on a stem.
可以是被动凸轮保护器，也可以是有两个或更多凸轮装置的弹簧保护装置。
2
An automatic control device of motorcycle variable valve timing (VVT) mechanism is introduced based on double CAM structure.
介绍了一种基于双凸轮结构的摩托车发动机可变配气正时(VVT)机构自动控制装置。
3
On the basis of the theoretical analysis and experiment studying , the author advances the new dispatching winch cam aligning steel rope device. Now, this device is being used in the production.