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城市地下工程,不展现城市的容貌,但可以衡量城市建设的文明。如今,北京市内平原区的老百姓一打开自来水,流出的多是从湖北丹江口引入北京的“南水北调”之水。南水北调之水,将逐步覆盖市内平原区80%~90%供水。缺水、储水和护水,已经成为城市的重要课题。污水经过处理才可以排放,夏季的雨水也不应浪费。水有谦逊地向低处流的品格,因而水利的事业,多数处于地下。水利工程不像拔地而起的楼房一样惹
Urban underground engineering, does not show the city's appearance, but can measure the civilization of urban construction. Today, ordinary people in the plains of Beijing open up their tap water and most of them flow out of the “South-North Water Transfer Project” into Beijing from Danjiangkou in Hubei Province. Water from the South to North Water Diversion Project will gradually cover 80% to 90% of the water supply in the plain area of the city. Water scarcity, water storage and water conservation have become important cities. Sewage can be discharged after treatment, summer rain should not be wasted. The water is modestly flowing to the inferior character, so most of the water conservancy projects are underground. Water conservancy projects are not as provocative as buildings