| 双管双动取心钻具异径接头的改进 |
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| 引用本文： | 张万河.双管双动取心钻具异径接头的改进[J].探矿工程,2010,37(1):37-39. |
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| 作者姓名： | 张万河 |
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| 作者单位： | 河北省地矿局国土资源勘查中心,河北石家庄050081 |
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| 摘 要： | 介绍了在河北衡水水文地质科学钻探中对双管双动取心钻具异径接头所做的改进及取得的效果。
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| 关 键 词： | 水文地质科学钻探 双管双动取心钻具 异径接头 |
| 收稿时间： | 2009/9/30 0:00:00 |
| 修稿时间： | 2009/9/30 0:00:00 |
Improvements of Different Diameter Connection of Double-barreled Double-acting Boring Tool |
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| ZHANG Wan-he.Improvements of Different Diameter Connection of Double-barreled Double-acting Boring Tool[J].Exploration Engineering(Drilling & Tunneling),2010,37(1):37-39. |
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| Authors: | ZHANG Wan-he |
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| Institution: | ZHANG Wan-he (The Center of Land and Resources Exploration, Hebei Bureau of Geology and Mineral Exploration, Shijiazhuang Hebei 050081, China) |
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| Abstract: | The paper mainly introduces the improvement on different diameter connector of double-barreled and double-acting coring tool in Hengshui hydrogeology scientific drilling with the improving＇ s effects. |
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| Keywords: | hydrogeology scientific drilling double-barreled and double-acting eoring tool different diameter connector |
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