pipe laying in embankment

例句：

1. 1. The engineer laid the pipes for the new road.
   工程师为新路铺设了管道。
2. 2. The construction crew was busy laying the pipelines.
   施工队忙于铺设管道。
3. 3. The workers were laying the foundation for the new building.
   工人们正在为新建筑铺设地基。