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手钻-三脚架钻井机

305 bytes added, 22:50, 19 October 2015
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{{Language-box|english_link= Hand auger - Vonder rig | french_link= Coming soon | spanish_link= Coming soon | hindi_link= Coming soon | malayalam_link= Coming soon | tamil_link= Coming soon | korean_link= Coming soon | chinese_link=手钻-三脚架钻井机 | indonesian_link= Coming soon | japanese_link= Coming soon }}
[[Image:drilling icon.png|right|80px]]
[[Image:Vonder rig in action.jpg|thumb|right|200px|正在搭建三脚架钻井机]]
__NOTOC__ <small-title />
三脚架钻井机是一种[[Hand auger - general|手钻]]的方式,它包含重型三脚架、绞车和工作台。这种方式在津巴布韦和非洲撒哈拉以南地区广泛使用。切削刀具(钻头)通过旋转钻入地下,然后抽出并去除挖出物。重复操作直到达到了理想的深度。
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