| 释义 |
network of pipes
基本例句
管网
Most early installations have been in double wall pipes or tanks systems.早期大多数都安装在双重管网和储油罐系统中。
They have requested RCSC and International Federation to assist with the piped water network to individual houses.他们已经请求中国红十字会和国际联合会协助在每幢房屋内铺设自来水管网。 |