The stores condition of Huolinhe first opencut coal seam is complicated,coal mining needs to choose and peeling needs not only to punching explode but also to broken to abandon.

 
  • 霍林河一号露天矿煤层赋存条件复杂,采煤需要选采,剥离需穿孔爆破,破碎排弃,为了简化采煤、剥离工作面作业环节,降低运营成本,对露天采矿机工艺在霍林河一号露天矿采煤及剥离工程中应用的可行性进行研究。
今日热词
目录 附录 查词历史