Gas control of top slice working face with stage roadway 腰巷治理顶分层工作面瓦斯
2.
Application of gas drainage from gob in gas control of top slice 采空区抽放在顶分层瓦斯治理中的应用
3.
Inquiring into gas emission law from top slice during slice mining of an extra - thick coal seam 特厚煤层分层开采顶分层瓦斯涌出规律探讨
4.
Analysis on danger of pressure bump when fully mechanized sublevel caving mining face passed through terminal mining line of top slicing seam 综放面过上分层终采线冲击地压危险性分析