overspeed protective device

例句：

1. 1. The overspeedprotective device is designed to prevent the vehiclefrom exceeding its maximum speed.
   超速保护装置旨在防止车辆超过其最大速度。
2. 2. The overspeed protective device was installedon the highway to monitor traffic and preventaccidents.
   在高速公路上安装了超速保护装置，用于监控交通并预防事故。
3. 3.The overspeed protective device can detect whena vehicle is driving too fast and automaticallyslow it down.
   超速保护装置可以检测到车辆是否超速，并自动减速。