hydraulic die cushion

例句：

1. 1.The hydraulic cushion absorbs the impact of the vehicle's sudden stop.
   液压缓冲器吸收了车辆突然停止时的冲击。
2. 2. The hydraulic damper is used to control the flow of oil in the engine.
   液压阻尼器用于控制发动机中油的流动。
3. 3.The hydraulic cushion helps to protect the car's suspension from damage during heavy braking.
   液压缓冲器有助于在刹车过程中保护汽车悬挂免受损害。