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2019
Application of sector-shaped medium-long hole blasting slot-drawing technology without shaft cutting in Wulonggou Gold Mine
- English Author：
- Qinghai Sixth Institute of Geology and Mineral Resources Exploration&Research Center of Gold Resources Development of Qinghai Province
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Abstract:
is null
Keywords:
stability;free space;without shaft cutting;mining and cutting ratio;medium-long hole;slot-drawing
