极近距离煤层采空区下巷道补强支护参数研究
郭萌, 弓培林, 李鹏
Study on Reinforcement Support Parameters of Lower Roadway in Gob Area of Very Close Distance Coal Seam
Meng 无GUO
煤炭工程 . 2020, (1): 54 -58 .  DOI: 10.11799/ce202001012