All hospitals are relying on generators, some of them round the clock, because mains supplies have been cut.

因为电力供应被切断，所有医院依赖于发电机，其中一些发电机在日夜不停连续运转。

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The firm hopes it will eventually be able to unplug all four of its UK crisp manufacturing sites from the mains water supplies.

公司希望旗下的的四家英国薯片制造厂最终都能不再依靠管道水的供应。

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Roads, railways, water and gas mains, sewage pipes and electricity cables all move things around. So do the blood vessels of animals and the sap-carrying xylem and phloem of plants.

他的观点是，在某种程度上二者均由运输物质的网络构成——公路，铁路，水路以及煤气管，污水管还有电缆线都在输送物质，动物血管和植物运输汁液的木质部、韧皮部也是如此。

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He also claimed several incidents since 2004 had all involved one mains pipe under the A320.

BBC: Surrey burst pipes 'risking drivers' lives'

Like many cities, Greenwich has created a geographic information system - a map that shows all the hidden bones and arteries of modern civilization: water mains, storm sewers, utility lines.

NPR: Security Officials Seek to Block Some Online Maps

Using a dedicated high-current electric circuit, like those installed for electric ovens, these can recharge the MINI E in 4.5 hours. (With an ordinary mains socket, by contrast, recharging could take all day.) For cars with smaller battery packs, like the Smart, overnight recharging from a conventional socket is possible.

ECONOMIST: Rational consumer