从其他地区引入优质水，已成为保障上海市供水安全的重要途径。
Water diversion from other area is an effective method to ensure the safety of water supply in Shanghai city.
摘要：定量划分地下水源地保护区的研究，是保证地下水供水安全的重要工作。
Abstract: Delineating protection zones for groundwater wellfields is important for secure groundwater supply.
北京水务局负责人表示，北京将建立特别保障小组，负责奥运期间供水安全保障工作。
Beijing will have special teams to conduct water safety checks daily during Olympic Games, said an official with the Beijing Municipal Bureau of water Affairs.
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