这个词是什么意思？
Means or process of supplying water (as for a community) usually including reservoirs, tunnels, and pipelines and often the watershed from which the water is ultimately drawn. (Webster, 3d ed)
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D014881 · MeSH 2026。
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