Report - 探访世界最早的水利系统 - Peoplepaper.people.com.cn/rmrbhwb/page/2018-01/23/11/rmrbhwb2018012311.pdf时期世界上规模最大的水资源管理系统。 通过水利系统的高、低两级水坝，可以将大量的来水潴留

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