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传统人工钻井

33 bytes removed, 06:25, 15 November 2015
鸣谢
===鸣谢===
* CARE 荷兰, 初步研究: [[Resilient WASH systems in drought-prone areas|干旱地区适应性的WASH系统]] 2010.10.
* Collins, Seamus, [http://www.rural-water-supply.net/en/resources/details/256 人工浅井 (Skat)]. Swiss Centre for Development Cooperation in Technology and Management瑞士科技管理发展合作中心. 2000.
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