dragline tower excavator

例句：

1. 1.The construction site was equipped with a dragline tower excavator to facilitate the work.
   施工现场配备了一台拖拉式塔式挖掘机以便于工作。
2. 2. The engineers used the dragline tower excavator to dig out the foundation for the new building.
   工程师们使用拖拉式塔式挖掘机挖出了新建筑的基础。
3. 3. The dragline tower excavator was an essential tool in the construction of this large industrial complex.
   拖拉式塔式挖掘机是这座大型工业综合体建设过程中不可或缺的工具。