concrete sheet-piling

例句：

1. 1. The construction company used concrete sheet-piling to reinforce the foundation.
   该公司使用混凝土板桩加固地基。
2. 2. The engineers were using concrete sheet-piling to build a new bridge.
   工程师们正在使用混凝土板桩建造一座新桥。
3. 3. The project manager was concerned about the safety of the concrete sheet-piling.
   项目经理对混凝土板桩的安全性表示担忧。