horizontal blanket drainage

例句：

1. 1. The horizontal blanket drainage system isdesigned to prevent water from seeping intothe ground during heavy rain.
   横向排水毯系统设计用来防止大雨时水分渗入地面。
2. 2.The engineer used a horizontal blanket drainage todivert the flow of water away fromthe foundation.
   工程师使用横向排水毯将水流引离地基。
3. 3. The horizontal blanket drainage wasinstalled to improve the drainage of stormwaterrunoff.
   安装横向排水毯是为了改善暴雨径流的排水。