pecker block

例句：

1. 1. The construction crew used a pecker block to level the ground before startingthe project.
   施工队使用打桩机平整地面后开始这个项目。
2. 2. The engineerhad to install a pecker block to support theweight of the new building.
   工程师不得不安装一个打桩机来支撑新建筑的重量。
3. 3. The pecker block was designedto withstand heavy loads and ensure stabilityduring construction.
   打桩机被设计成能够承受重载并确保施工期间的稳定性。