大安山煤矿轴13顺槽沿空留巷锚杆支护技术研究

大安山煤矿轴13顺槽沿空留巷锚杆支护技术研究的英文翻译

基本释义

• Research on bolt support technology for gob side entry retaining of No.13 mining face gateway in central part of Da'anshan Mine