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河床滲渠式集水廊道

46 bytes added, 12:18, 10 November 2015
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關於治理乾旱的更多內容: [[易旱地區具有適應力的WASH系統Resilient WASH systems in drought-prone areas|易旱地區具有適應力的WASH系統。]]
===建造工程、營運及維護===
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