jaw-type rail brake

例句：

1. 1.The jaw-type rail brake is an essential safety feature on trains.
   颚式轨道制动器是火车上必不可少的安全装置。
2. 2.The jaw-type rail brake was designed to prevent accidents during high-speed travel.
   颚式轨道制动器设计用于在高速旅行中防止事故。
3. 3. The jaw-type rail brake has been proven to be more effective than traditional methods in reducing wear and tear on the tracks.
   颚式轨道制动器已被证明比传统的方法更有效地减少对轨道的磨损。