规划和设计一项供水工程或节水措施,必须研究这项工程的合理性。一般来说,只有技术上可行、经济上合理、资金安排有可能的项目才能尽快安排建设。城市用水研究工作是城市供水、用水规划的前期基础工作,它既不能代替城市供水规划,更不能代替设计工程可行性研究。但城市 To plan and design a water supply project or a water conservation measure, it is necessary to study the rationality of this project. In general, only projects that are technically feasible, economically reasonable, and possible for funding arrangements can be arranged as soon as possible. The urban water research work is the preliminary work of urban water supply and water planning. It can neither replace urban water supply planning nor replace the feasibility study of design engineering. But the city