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水生 的
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21世纪展望:对卫生和供水的共同展望
Vision 21: a Shared Vision for Hygiene, Sanitation and Water Supply
21世纪展望:对卫生和供水的共同展望
VISION 21
大于20千伏安的发电机、救护车、普通卫生设施和水净化系统
generators above 20 kVA, ambulances, general hygiene facilities and water purification systems)
粮农组织/卫生组织/环境规划署农业水资源开发的卫生方面谅解备忘录
FAO/WHO/UNEP Memorandum of Understanding on Health Aspects of Water Resources Development for Agriculture
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