1·The house is far from water mains and electricity and relies on its own generators.
这座房子远离自来水总管和供电网，依靠自备的发电机。
—— 《柯林斯英汉双解大词典》
2·Know how to turn off your gas and water mains.
了解如何关闭煤气和水管。
3·Are Robots the future of repairing water mains?
是机器人未来的修复水管?。
4·First, disconnect the boiler from the water mains.
先将锅炉与供水总管断开。
5·Power line were down, water mains have been damaged.
电力系统瘫痪，水管被破坏。
6·Water mains are hard to inspect, particularly if they are underground.
供水主管道特别是地下管线很难监测。
7·New water mains switch effect, they are practical, at the end of you!
一款水管开关效果，挺实用的，大家来看看吧！
8·The quake destroyed the city’s water mains, paralyzing the fire department.
地震破坏了输水管道，消防署也无能为力。
9·With the city water mains cracked, for a while there was not enough water.
这里的自来水管道破裂，白花花的水冲涌而出。
10·Connect piping system to water mains, supply tanks, pumps, compressors and control equipment.
把管道系统与水管，供应罐，泵，压缩机和控制设备相连接。