hydraulic friction

例句：

1. 1. The hydraulic system in the car is responsible forcontrolling the brakes.
   汽车中的液压系统负责控制刹车。
2. 2. The hydraulicpump is essential for the operation of themachine.
   液压泵是机器运行所必需的。
3. 3. Hydraulic systems are widely used inconstruction and mining industries.
   液压系统在建筑和矿业行业中得到广泛应用。