pipe net的用法和樣例：
例句
- The automation of making water in waterworks and the pressure management system of civil pipe networks.
自來水廠制水自動化及城市管網壓力管理系統。 - Current and Yueyang Ming dynasty courtyard companies engaged in natural gas pipe network construction projects.
目前與岳陽大明公司合作從事天然氣庭院管網建設工程。
