spring loaded stop

例句：

1. 1. The car's spring-loaded stop is designed to prevent the engine from overheating in cold weather.
   这款车的弹簧加载停止器设计用来在寒冷天气中防止发动机过热。
2. 2.The engineer used a spring-loaded stop to ensure that the machine would not accidentally start up during maintenance.
   工程师使用了一个弹簧加载停止器来确保机器在维护期间不会意外启动。
3. 3. The spring-loaded stop was a crucial safety feature in the old trains, preventing the train from moving forward if the brakes were released.
   弹簧加载停止器是旧火车中的关键安全特性，如果释放刹车，它防止火车前进。