hydraulic package

例句：

1. 1. The hydraulic system in the car is responsiblefor controlling the brakes.
   汽车中的液压系统负责控制刹车。
2. 2. The hydraulic pump is a critical component of theengine's powertrain.
   液压泵是发动机动力系统的关键环节。
3. 3. The engineer used ahydraulic wrench totighten the bolts on the machine.
   工程师使用液压扳手来紧固机器上的螺栓。