Investigation on adaptability of two-leg shielded LTCC hydraulic supports for ultra-thick and hard coal seam with super-large cutting height

Investigation on adaptability of two-leg shielded LTCC hydraulic supports for ultra-thick and hard coal seam with super-large cutting height Journal of Mining and Safety Engineering . 2025, (2): 252 -263 . DOI: 10.13545/j.cnki.jmse.2023.0111