compressed air jack

例句：

1. 1. The compressed airjack was used to lift the heavy objectfrom the ground.
   使用压缩空气千斤顶将重物从地面抬起。
2. 2. The engineersused a compressed air jackto dismantle the old machine.
   工程师们使用压缩空气千斤顶拆卸旧机器。
3. 3.The compressed air jack wasessential for the construction work on the bridge.
   压缩空气千斤顶对于桥梁建设工作至关重要。