intermediate-water reuse

This thesis has researches in Tianjin city. At first, in the term of water resources shortage status, this thesis indicates developing intermediate water reuse is the best effective method to solve water shortage in Tianjin.
本文以天津市爲研究對象，首先從天津市的水資源短缺現狀著手，指出了中水廻用是解決天津市水資源短缺的最有傚途逕。