| 底喷采煤钻头的改进 |
| |
| 引用本文： | 甘会强. 底喷采煤钻头的改进[J]. 东北煤炭技术, 1994, 0(1): 61-64 |
| |
| 作者姓名： | 甘会强 |
| |
| 作者单位： | 东煤集团公司地质局长春科研所 |
| |
| 摘 要： | 分析了普通采煤钻头存在的弊病，阐述了钻头改进的依据，列举了改进后的采煤钻头的优点和现场试验效果。
|
| 关 键 词： | 采煤钻头 煤田地质 勘探 技术改造 |
Improvement of Coal Core Drill Bit Jetting Mud From Its Bottom |
| |
| Gan Huiqiang. Improvement of Coal Core Drill Bit Jetting Mud From Its Bottom[J]. Studio Classroom, 1994, 0(1): 61-64 |
| |
| Authors: | Gan Huiqiang |
| |
| Affiliation: | Gan Huiqiang |
| |
| Abstract: | This paper analyses the disadvantage of common coal core drill bit,sets forththe improving basis of drill bit,and introduces the advantage of improved coal core drill bitand on the spot test result. |
| |
| Keywords: | coal core driil bit improvement effect |
| 本文献已被 CNKI 维普 等数据库收录！ |
