双重预裂与定向抛掷爆破相结合在露天煤矿削坡减载工程中的应用
郭可伟;宋阿青
Combination of Double Pre-splitting Blasting and Directional Throwing Blasting in Slope Cutting and Unloading Engineering of Open Pit Coal Mine
GUO Kewei;SONG aqing
爆破器材 . 2017, (5): 60 -64 .  DOI: 10.3969/j.issn.1001-8352.2017.05.013