water sealed drainage

例句：

1. 1. The constructionof the new highway will require the installation of a water-sealed drainage system to prevent water from seeping into the foundation.
   新高速公路的建设将需要安装一个防水密封排水系统，以防止水分渗入地基。
2. 2. The company has invested heavily in developing a water-sealed drainage system to improve the efficiency of wastewater treatment.
   该公司大力投资于开发一种防水密封排水系统，以提高废水处理的效率。
3. 3. The engineer designed a water-sealed drainage system that effectively solved the problem of water leakage during construction.
   工程师设计了一种防水密封排水系统，有效地解决了施工过程中的漏水问题。