By using subarea-subsection mining method,multi-channel layout program,Heidaigou Open-pit Coal Mine has overcomed the technological continuity problems appearing in bench combination and has fully improved the capacity of existing equipments,so that the transportation distance has b.
在此过程中,黑岱沟露天煤矿通过分区分段开采、多通道布置等方案,克服了并段台阶工艺接续过程中出现的问题,最大限度的增加现有设备生产能力,减少运距,创造了巨大的经济效益。
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