In Xinghua Coal Mine of Jixi Mining Industry Group,the combined support with bolt-net-cable is successfully applied in driving gateways at the abutment area of the single side goaf.

  • 鸡西矿业集团杏花煤矿在单侧采空区压力集中掘送巷道采用锚网索联合支护技术并取得成功,获得了良好的技术经济效益。
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