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钻井或挖掘井

7 bytes added, 22:39, 19 October 2015
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{{Language-box|english_link=Drilling or digging |french_link=Forage ou excavation |spanish_link=Coming soon|hindi_link=Coming soon|malayalam_link=Coming soon|tamil_link=Coming soon | korean_link=Coming soon | chinese_link=Coming soon 钻井或挖掘井 | indonesian_link=Coming soon | japanese_link=Coming soon}}
获取地下水资源不是一件轻而易举的事情，本节将讲解许多不同类型的钻井方法（钻井深度及费用各不同）。例如，据说非洲的地下水资源比其他大洲更为丰富。尽管如此，使用机器钻井对于大部分非洲人而言费用太高。与使用机器钻井相比，人工钻浅井（最深35米）的费用降低4到10倍。费用降低后，非营利性组织和政府就能钻取更多的水井，同时村民、农民、学校和小型社区可以在私有企业的援助下自主钻取水井。
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