positive motion plate cam

例句：

1. 1.The positive motion plate cam is responsible for the smooth operation of the machine.
   正动式运动盘凸轮负责机器的平稳运行。
2. 2. The positive motion plate cam was designed to improve the accuracy of the machine's movements.
   正动式运动盘凸轮的设计目的是为了提高机器动作的准确性。
3. 3.The positive motion plate cam has been proven to be an effective solution for reducing vibration and noise in the machinery.
   正动式运动盘凸轮已被证明是一种有效的解决方案，用于减少机械设备中的振动和噪音。