The application of bolt,metal mesh and bolding rope in Tongjialiang Mine are introduced,the supporting and dissemination value are analyzed.

 
  • 介绍了锚杆、金属网、锚索联合支护技术在大同煤矿集团公司同家梁矿12层408盘区的应用,分析了支护效果及推广价值。
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