焦作九里山矿单体支柱放顶煤工作面顶煤运动放出规律浅析
초작구리산광단체지주방정매공작면정매운동방출규률천석
Analysis of caving coal movement drawing law at the singlebody breakerprop sublevel caving coal face in Jiulishan coal mine of Jiaozuo
저자의 최근 논문