With an example of vein 3 in Jiudian gold deposit,Pingdu,Shandong Province,the simpler procedures and better effects of this method are explained.

 
  • 以山东省平度地区旧店金矿3号脉的实例,说明该方法的实施过程和应用效果。
今日热词
目录 附录 查词历史