Water supply network is an important component of water supply systems. Purified water goes through the intricate networkofunderground pipes to users.
给水管网是给水系统的重要组成部分，净化后的水经过错综复杂的地下管网，达到用户终端。
2
The ludicrously ambitious plans extend to a networkofunderground tunnels to link the two campuses together, so employees can move between buildings without cars.
该可笑的雄心勃勃的计划将扩大到地下隧道网连接两个校园于一起，所以员工可以在无车的建筑物之间穿行。
3
Police busted an undergroundnetworkof illegal sports gambling.