| 单阶梯尖环齿钻头及应用 |
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| 引用本文： | 甘会强. 单阶梯尖环齿钻头及应用[J]. 东北煤炭技术, 1994, 0(4): 58-60 |
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| 作者姓名： | 甘会强 |
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| 作者单位： | 长春煤田地质科研所 |
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| 摘 要： | 介绍了单阶梯尖环齿钻头的结构特点及碎岩特点。近几年东北各煤田地质队金刚石钻头使用情况和大量的野外试验所得的数据表明，单阶梯尖环齿钻头比较适合钻进煤系地层。
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| 关 键 词： | 单阶梯尖环齿 钻头 应用 |
SINGLE STEP AND POINT PICK RING ARRANGEMENT DRILL HEAD AND ITS APPLLICATION |
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| Gan Huigiang. SINGLE STEP AND POINT PICK RING ARRANGEMENT DRILL HEAD AND ITS APPLLICATION[J]. Studio Classroom, 1994, 0(4): 58-60 |
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| Authors: | Gan Huigiang |
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| Affiliation: | Gan Huigiang |
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| Abstract: | |
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| Keywords: | labial surface structure free surface specific pressure repeated fragmen-ting |
| 本文献已被 CNKI 维普 等数据库收录！ |
