internal wheel brake

例句：

1. 1. The internal wheel brakes on the train are designed to prevent accidents.
   火车上的内部制动装置设计用来防止事故。
2. 2. The engineer used the internal wheel brakes to slow down the train.
   工程师使用内部制动装置来减缓火车的速度。
3. 3. The train's internal wheel brakes were tested before leaving the station.
   火车在离开车站前进行了内部制动装置的测试。