vacuum power brake unit

例句：

1. 1. The vacuum powerbrake unit is responsible for maintaining the vehicle's stability during braking.
   真空动力制动单元负责在刹车时保持车辆的稳定性。
2. 2.The vacuum power brake unit has been upgraded to improve its efficiency and reduce wear.
   真空动力制动单元已经升级，以提高其效率并减少磨损。
3. 3. The vacuumpower brake unit is acrucial component of the vehicle's safety system.
   真空动力制动单元是车辆安全系统的关键组成部分。