| 大口径硬岩钻凿技术现状与研究方向 |
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| 引用本文： | 卢豫北.大口径硬岩钻凿技术现状与研究方向[J].河南国土资源,1998(1). |
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| 作者姓名： | 卢豫北 |
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| 作者单位： | 河南省驻马店地质工程勘察院 |
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| 摘 要： | 大口径硬岩钻凿是一个技术难题，尽管国内外科学家和工程技术人员研究思路及方法较多，并取得了一定效果，但是，仍然存在着各种问题和不足。笔者对目前国内外研究现状作了简要综述，并结合国情对其研究方向和思路提出了自己的观点。
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| 关 键 词： | 大口径，硬岩钻凿，钻头，现状，研究方向 |
THE PRESENT SITUATION OF LARGE HOLE HARD DRILLING TECHNICS AND THE RESEARCHING TREND |
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| Lu Yubei.THE PRESENT SITUATION OF LARGE HOLE HARD DRILLING TECHNICS AND THE RESEARCHING TREND[J].Henan Land & Resources,1998(1). |
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| Authors: | Lu Yubei |
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| Abstract: | The large hole hard drilling is a technical difficult problem,though there are many researching thinking and methods from scientists and engineering technical personnel at home and abroad and achieved certain results.But,there still exist each sorts of problems and insufficient.The author has summarized the researching situation briefly at home and abroad,and provided his views about researching trend and thinking combining the situation of the country. |
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| Keywords: | large hole hard drilling bit situation researching trend |
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