pipe networks

• 管网

pipe networks的用法和样例：

例句

1. The automation of making water in waterworks and the pressure management system of civil pipe networks.
   自来水厂制水自动化及城市管网压力管理系统。
2. Current and Yueyang Ming dynasty courtyard companies engaged in natural gas pipe network construction projects.
   目前与岳阳大明公司合作从事天然气庭院管网建设工程。