rock-fill sheet-pile cell

例句：

1. 1. The rock-filled pit is a popular tourist attraction.
   这个岩石填充的坑是一处受欢迎的旅游景点。
2. 2. The engineer used rock-fill to reinforce the foundation of the building.
   工程师使用岩石填充加固了建筑的基础。
3. 3.The construction crew was tasked with filling in the gaps left by the previous excavation.
   施工队的任务是填补前一次挖掘留下的空缺。