Welcome to HPMug2oMmNrOfxWQHLiEksa6s0hFu9Ox348d7QefarYlaFR5ArkhOwm3Da1pmxmxCtenj1+6luWD#r#n+EPn9L6Ce+9onqnMlT+i! Today is
Research and Application of Roof Roadway Support Technologyfor Upward Mining in Thick Coal Seams
LIU Cong, LONG Xiaobo, LIU Zhennan, HAO Yanhong, PU Li, KE Rui
HPMug2oMmNrOfxWQHLiEksa6s0hFu9Ox348d7QefarYlaFR5ArkhOwm3Da1pmxmxCtenj1+6luWD#r#n+EPn9L6Ce+9onqnMlT+i . 2025, (05): 7 .  DOI: 10.3969/j.issn.1009-0479.2025.05.002