hitch cylinder

例句：

1. 1. The car's engine isa bit old, but it still workswell with the hitch cylinder.
   这辆车的发动机有点旧，但用挂钩式气缸还能正常工作。
2. 2. The engineer used thehitch cylinder to adjust the tire pressure.
   工程师使用挂钩式气缸调整轮胎气压。
3. 3.The hitch cylinder was designed to preventthe car from rolling away during heavy rain.
   挂钩式气缸的设计是为了在大雨中防止汽车滚落。