世界各地有很多调水工程。在4000多年以前,世界上就有了调水工程。埃及的尼罗河,印度的恒河,南美的亚马逊河,美国的密西西比河、科罗拉多河都有调水工程。俄罗斯水资源并不短缺,但是主要河流间均用运河联通,形成了纵横交错的大水网。迄今为止全世界40多个国家有400多项调水工程,南水 There are many water transfer projects around the world. More than 4,000 years ago, there was a water transfer project in the world. The Nile in Egypt, the Ganges in India, the Amazon in South America, the Mississippi in the United States and the Colorado River all have water transfer projects. There is not a shortage of water resources in Russia, but the main rivers are all connected by canals, forming a large and criss-crossing network. So far more than 40 countries in the world have more than 400 water diversion projects, South Water