iron and steel sheet piling

例句：

1. 1.The construction of the new bridge required the use of iron and steel sheet piling.
   建造新桥需要使用钢铁板桩。
2. 2.The engineers used iron and steel sheet piling to reinforce the foundation of the building.
   工程师们使用钢铁板桩加固了建筑物的基础。
3. 3. The project manager was concerned about the safety of the workers using iron and steel sheet piling.
   项目经理对使用钢铁板桩的工人的安全表示担忧。