porous concrete drain

例句：

1. 1. Theconstruction of the new highway required the installationof porous concrete drains to preventwater from seeping into the foundation.
   新高速公路的建设需要安装多孔混凝土排水沟以防止水分渗入地基。
2. 2. The engineerdesigned a system that wouldefficiently remove the pollutantsfrom the porous concrete drains.
   工程师设计了一个系统，可以有效地从多孔混凝土排水沟中去除污染物。
3. 3. Theporous concrete drains were installed inthe basement to collect any excess water andprevent flooding.
   在地下室安装了多孔混凝土排水沟，以收集任何多余的水并防止洪水。