煤炭与化工2018，Vol.41Issue(3)：45-49,5.DOI:10.19286/j.cnki.cci.2018.03.011
寺家庄矿以岩保煤底抽巷穿层钻孔封孔工艺研究
Study on protecting coal instead of rock in end-located drainage roadway crossing layers drilling and sealing technology of Sijiazhuang Mine
张永春1
作者信息
- 1. 山西阳煤寺家庄煤业有限责任公司,山西晋中045300
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引用本文复制引用
张永春..寺家庄矿以岩保煤底抽巷穿层钻孔封孔工艺研究[J].煤炭与化工,2018,41(3):45-49,5.
