Position characteristics of horizontal-directional long boreholes in overlying strata and drainage mechanism of pressure-relief gas in longwall mining
The pressure-relief gas drainage in longwall mining goaf is an important part of the simultaneous extraction of coal and gas in the green mining technology system. The horizontal-directional long boreholes arranged in overlying strata for pressure-relief gas drainage have been widely used in recent...
Furkejuvvon:
| Váldodahkkit: | , , , , , |
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| Materiálatiipa: | Artigo |
| Giella: | Chinês |
| Almmustuhtton: |
Editorial Office of Journal of China Coal Society
2023-10-01
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| Ráidu: | Meitan xuebao |
| Fáttát: | |
| Liŋkkat: | http://www.mtxb.com.cn/article/doi/10.13225/j.cnki.jccs.2022.1379 |
| Fáddágilkorat: |
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