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管道补给

450 bytes added, 01:39, 12 January 2016

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[[Image:tube recharge icon.png|right|80px]]

[[Image:TubeRechargeDrilling.jpg|thumb|right|200px| 2006年6月莫桑比克希莫尤，使用手钻钻洞为管道补给系统做准备。图片来源：Arrakis。]]

[[Image:TubeRecharge.jpg|thumb|right|200px| 管道补给。津巴布韦。图片来源：H. Holtslag]]

__NOTOC__ <small-title />

管道补给成本低，它结合了人为填洞和铺设排水管道。排水管道穿过压实的表层土，因此水能渗进土壤补给含水层。而在此之前，雨水通常会蒸发或者流入河水。

===适宜条件===

当地的地质状况决定具体要求、费用和时间：如果没有石头和巨砾，一天可钻取一个深度为10米的洞，如果使用钻孔机（如螺旋钻或[[Hand auger - general | 手钻 - 常规]]）则无需一天。

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