Water supply network is an important component of water supply systems. Purified water goes through the intricate network of underground 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。

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The ludicrously ambitious plans extend to a network of underground 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。

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Shanghai plans to build a vast underground network of malls, restaurants, and parking lots to make up for a lack of space above ground, according to a recent government report.

根据最近的一份政府报告，上海计划建设一个由购物中心、餐厅和停车场组成的庞大地下网络，以弥补地面空间的不足。

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Many goods are smuggled from Egypt through a network of underground tunnels into Gaza.

BBC: Gaza construction convoy crosses from Egypt

Uniform grooves across its craters and ridges hint at a global network of underground layers, which Cheng says could indicate Eros was once part of a larger body.

BBC: Eros is 'no ordinary rock'

Meanwhile, Paul Benney, a resident artist at Somerset House, has chosen its Deadhouse, a network of underground passages beneath the fountain court, to display his latest series of "Night Paintings" (until Dec. 9).

WSJ: London Artists and Curators Ponder the Unconventional With Unique Spaces