self-locking brake

例句：

1. 1. The carhas a self-locking brake systemthat prevents the wheels from spinning whenthe engine is off.
   这辆车有一个自锁刹车系统，当发动机关闭时可以防止车轮旋转。
2. 2. The self-locking brake on the train was designed toprevent accidents during high-speed travel.
   火车上的自锁刹车设计用来在高速旅行中防止事故。
3. 3. The engineer tested theself-locking brake of the newcar before it left the factory.
   工程师在新车出厂前测试了自锁刹车。