双管双动取心钻具异径接头的改进 |
投稿时间:2009-09-30 修订日期:2009-09-30 点此下载全文 |
引用本文:张万河.双管双动取心钻具异径接头的改进[J].钻探工程,2010,37(1):37-39.ZHANG Wan-he. Improvements of Different Diameter Connection of Double-barreled Double-acting Boring Tool[J]. Drilling Engineering, 2010,37(1):37-39. |
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中文摘要: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。 |
中文关键词:水文地质科学钻探 双管双动取心钻具 异径接头 |
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Improvements of Different Diameter Connection of Double-barreled Double-acting Boring Tool |
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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. |
keywords:hydrogeology scientific drilling double-barreled and double-acting coring tool different diameter connector |
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