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本文介绍了马甲瑙铁矿供水井内爆破增大涌水量的经验,爆前几乎为干孔,爆后水量达321m~3/d。
This paper introduces the experience of increasing water influx in blasting in the Maijianuo iron ore supply well. The blasting time is almost dry hole, and the water quantity after blasting reaches 321m ~ 3 / d.