rockfill timber crib

例句：

1. 1. The engineer used a rockfill to reinforce the foundation of the building.
   工程师使用岩石填充物加固了建筑物的基础。
2. 2.The construction crew was working on a project that involved using rockfill for erosion control.
   施工队伍正在参与一个项目，该项目涉及使用岩石填充物进行侵蚀控制。
3. 3. The rockfill was carefully placed to ensure stability during excavation.
   岩石填充物被小心放置，以确保挖掘过程中的稳定性。