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北氵名河铁矿床厚大弱含水层用丛状疏干孔与裸巷截水相结合的坑下疏干方式 ,进行放水疏干 ,基本满足了矿床疏干要求。对矿床疏干状况做了初步探讨 ,并对疏干工作进行了评价
The thickness and weakness of the Beijiao Minghe iron ore deposit bed are drained and dredged by means of the dredging under the pit combined with the pied-out dry holes and the water-cut in the open lane, basically meeting the requirement of deposit dredging. Dredging deposits on the status of a preliminary study, and to carry out the work of Dredging