Water exploration and drainage technology of first mining face of Ulan Mulun 2-2 coal panel Ⅱ area
ZHANG Guoen, QI Yun, ZHAO Jie, SHI Hongkai, JIANG Xiaoyu, HE Xiang
China Safety Science Journal . 2022, (S1): 84 -89 .  DOI: 10.16265/j.cnki.issn1003-3033.2022.S1.1003