打桩机

例句：

1. 1. The construction company used a large pile driver to level the ground for the new road.
   这家建筑公司使用一台大型打桩机来平整新道路的地面。
2. 2. The engineer had to use a special pile driver to drill into the hard rock.
   工程师不得不使用一台特殊的打桩机将钻头打入坚硬的岩石中。
3. 3. The construction crew was using a heavy-duty pile driver to drive stakes into the ground.
   施工队正在使用一台重型打桩机将桩插入地面。