特厚煤层综放面两柱掩护式放顶煤支架适应性研究
陈国强, 问荣峰, 王文晓
Study on Adaptability of two-pillar shielded top-coal caving support in fully mechanized top-coal caving face of extra-thick seam
煤炭工程 . 2019, (7): 62 -66 .  DOI: 10.11799/ce201907014