机译:Study of Top Coal Partition and Key Delayed-Action Region for Horizontal Sublevel Top Coal Caving in Deeply Inclined Seam
Xian Univ Sci & Technol, Coll Sci, Xian 710054, Peoples R China;
Xian Res Inst China Coal Technol & Engn Grp Crop, Xian 710054, Peoples R China;
Xian Univ Sci & Technol, Coll Energy, Xian 710054, Peoples R China;