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手钻-常规

198 bytes added, 23:00, 3 January 2017
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[[Image:drilling icon.png|right|80px]]
[[Image:Auger drilling in action.jpg|thumb|right|200px|正在使用手钻钻井]]
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手钻适合疏松地层,如泥沙和软土。硬土、硬材料和砂砾不容易或不可能被其凿穿或移动(除非联合使用螺旋钻和[[percussion - general|冲击钻]]).
* Chafagane Maiga (S/C BP: 10988 Niamey, Niger, Tel: +227 96 53 18 88) - 轻便有效的手钻设备。
* [https://en.eijkelkamp.com/ Eijkelkamp Agrisearch Equipment] - 手钻和冲击钻的钻孔设备和指南。
* [http://www.reekumvrm.nl / Van Reekum Materials] - 钻孔设备、手钻和冲击钻。
[[Image:Different bailers and augers.jpg|thumb|right|200px| Different bailers and augers]]
* [http://navybmr.com/study%20material/14080a/14080A_ch9.pdf 钻井操作的多重业务流程]. US Military.其他建井和人工钻井技术.
=== Acknowledgements鸣谢===* The basis for the material on this page was obtained from a desk study shortly to be published on the website of the 本页的材料源于即将在[http://www.practicafoundation.nl/ Practica Foundation], and from the 网站以及[http://www.rural-water-supply.net/ Rural Water Supply Network]中发表的初步研究, and specifically its 尤其是其中的[http://www.rural-water-supply.net/en/implementation/manual-drilling manual drilling section人工钻井部分].* [http://www.lboro.ac.uk/well/resources/technical-briefs/43-simple-drilling-methods.pdf 43. Simple drilling methods简易钻井方法.] WEDC.
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