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建材七0一矿露天矿设计服务年限结束之后,根据矿区地质状况及现有的机械设备,对露天矿的延深开采在技术上进行了论证,并通过生产实践证明了露天矿延深开采技改方案是可行的。
After the end of the design service life of 701 mine open pit, according to the geological conditions of the mining area and the existing machinery and equipment, the technology of deep-drawing open-pit mines was demonstrated technically and proved through the production practice that the technology of deep- Change the program is feasible.