bedded rockfill

例句：

1. 1. The engineers were working on a project that involved the construction of a new roadbed.
   工程师们正在参与一个项目，该项目涉及新路基的建设。
2. 2.The excavation revealed a bedded rockfill layer that was several meters thick.
   挖掘揭示了一个几米厚的层状岩屑。
3. 3. The construction crew carefully packed the bedded rockfill to ensure stability during the pouring process.
   施工队伍小心地将填埋的岩屑压实，以确保浇筑过程中的稳定性。