time proportioning controller

例句：

1. 1.The time proportioning controller is used toadjust the timing of events.
   时间分配控制器用于调整事件的时间。
2. 2. The time proportioningcontroller helps to ensure that tasks are completedon time.
   时间分配控制器有助于确保任务按时完成。
3. 3. The time proportioning controller wasdeveloped to improve efficiency in manufacturing processes.
   时间分配控制器的开发旨在提高制造业过程的效率。