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。
2
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。
3
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.