并行露天煤矿压帮内排回采三角煤留沟深度研究
常治国,陈亚军,段鲲鹏,等
Research of the Two Parallel Triangle-coal Ditch Depth by Dumping Slope Recycling Mining
煤炭工程 . 2016, (3): 15 -17 .  DOI: 10.11799/ce201603005