jacking pile

例句：

1. 1. The construction crew used a jacking pile to level the ground for the new road.
   施工队使用打桩机平整了新道路的地面。
2. 2.The engineer had to install a jacking pile to support the heavy load on the bridge.
   工程师不得不安装一个打桩机来支撑桥上沉重的负荷。
3. 3.The jacking pile was used to anchor the foundation of the building during the demolition process.
   在拆除过程中，打桩机被用来固定建筑物的基础。