automatic ram pile driver

例句：

1. 1. The construction company uses an automatic piling driver to speed up the process of landpreparation.
   这家建筑公司使用一台自动压桩机来加快土地准备的过程。
2. 2.The engineer designed a new type of automatic pile driver that can handle larger loads.
   这位工程师设计了一种新型的自动压桩机，能够处理更大的负荷。
3. 3. The automatic pile driver is widely used in civil engineering projects because it can reduce labor costs and improve work efficiency.
   自动压桩机在土木工程项目中广泛使用，因为它可以降低劳动力成本并提高工作效率。