queller

例句：

1. 1. The construction company used a queller to level the land before building.
   建筑公司使用打桩机平整土地以便建造。
2. 2. The queller was designed to quickly break up the soil and facilitate excavation.
   打桩机被设计成能迅速破碎土壤并促进挖掘。
3. 3.The queller is essential for ensuring the stability of the foundation during construction.
   打桩机对于确保施工期间地基的稳定性至关重要。