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赤峰柴胡栏子金矿自1992年以来,采用上向水平干式充填法、普通凿岩爆破工艺,安全、高效并全部回采了露天矿底部矿体,取得了可观的经济效益。
Since 1992, Chifeng Zhalazailing Gold Mine has adopted horizontal dry-filling method and ordinary rock blasting technology to safely and efficiently mine the bottom ore body of the open-pit mine and achieved considerable economic benefits.