它的出现促进了振动出矿这一先进技术在采场中的广泛应用。
The good flexibility of this mobile has machine promoted widespread use of the vibration drawing technology in stope extraction.
采用无底柱分段崩落采矿法，国内外一直采用截止品位放矿法来控制出矿。
Cut-off grade method has been used to control the ore drawing in non-pillar sublevel caving mining both in and outside China.
研究结果表明，随着台阶高度的增加，采出矿岩平均运输功含量呈下降趋势。
The research result showed that the average transport work content of ore and rock in open-pit decreases as bench height increasing.
应用推荐