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1 前言 “供水”不是什么新鲜概念,古今中外搞水利的主要任务就是将自然界的水资源通过多种方式供应给社会,最大限度地保证社会生产和百姓生活对水的需求,“应急”也不必过分地大惊小怪,因为大自然的恩赐有时会与人们的愿望截然相反;“紧缺”一词在人口激增和资源消耗加剧的今
1 Introduction “Water supply” is not a new concept. The main task of water conservancy at home and abroad in ancient and modern times is to supply natural water resources to the society through various means so as to ensure social production and the water demand of people’s life to the maximum extent. “Emergency” Too much fuss, because the gift of nature is sometimes diametrically opposed to people’s wishes; the word “scarce” is used in the context of a rapidly growing population and increasing consumption of resources