Grouting and plugging technology of in-seam borehole methane drainage
Based on the analysis of the gas leakage mechanism and the principle of plugging in the surrounding rock of the in-seam borehole, a new grouting and plugging technology by separating the space and staggering time to cut off the air leakage channel was proposed. The separating space was embodied in...
-д хадгалсан:
| Үндсэн зохиолч: | |
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| Формат: | Artigo |
| Хэл сонгох: | Chinês |
| Хэвлэсэн: |
Editorial Office of Safety in Coal Mines
2021-10-01
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| Цуврал: | Meikuang Anquan |
| Нөхцлүүд: | |
| Онлайн хандалт: | https://www.mkaqzz.com/cn/article/id/7659 |
| Шошгууд: |
Шошго байхгүй, Энэхүү баримтыг шошголох эхний хүн болох!
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