Subject | English | Chinese |
mining. | board and pillar method | 房柱式开采法 |
mining. | breast and pillar method | 房柱式采煤法 |
tech. | breast and pillar method | 房柱采矿法 |
mining. | long pillar method | 长柱分段开采法 |
tech. | open-end pillar method | 开端式煤柱回采法 |
mining. | pillar and breast method | 房柱式采煤法 |
mining. | pillar and breast method | 房柱式井采法 |
tech. | pillar method | 柱式采矿法 |
tech. | pillar method of mining | 柱式采矿法 |
tech. | pillar method of stoping | 柱式采矿法 |
tech. | pillar method of working | 柱式采矿法 |
expl. | pillar supporting method | 煤柱支撑法在采空区中留适当宽度煤柱以支撑顶板的岩层控制方法 |
mineral. | pillar supporting method | 煤柱支撑法 |
tech. | pillar-and-stall method | 房柱式采矿法 |
expl. | room and pillar method | 房柱式开采法房柱式开采法是一种矿柱成带状,采掘空间很大,后退式回收矿柱的开采方法。适用于矿层倾斜不大,开采价值较低的矿床。因此,广泛用于品位低但储量丰富,回采残留矿柱以提高采掘率的煤炭、岩盐和铁矿的开采。房柱式开采法可实现机械化采掘 |
tech. | room and pillar method | 房柱式开采法 |
tech. | splitting method of pillar recovery | 煤柱分隔回采法 |