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China's South-to-North water project has supplied nearly 200 million people_蜘蛛资讯网

o said the project had supplied more than 13 billion cubic meters of ecological replenishment water over the past five years, helping restore flows in more than 50 rivers and raising groundwater level

ndaries.    Water quality along the central route has remained at Class II or above under national standards, while the eastern route maintained Class III quality, according to the

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