automatic stop block

例句：

1. 1. The automatic stop block prevents the car from moving forward when the brake pedal is pressed.
   当踩下刹车踏板时，自动停止装置会阻止汽车前进。
2. 2. The engineer installed the automatic stop block to ensure safety during maintenance work.
   工程师安装了自动停止装置，以确保维修工作期间的安全。
3. 3. The automatic stop block is a crucial component of the vehicle's emergency braking system.
   自动停止装置是车辆紧急制动系统的关键环节。