汤原县

  • 网络TangYuan County
汤原县汤原县
  1. 选取双鸭山市羊鼻山铁矿、汤原县东风山铁矿作为典型矿床进行研究。

    We Select Shuangyashan City Yangbi hill ironore , Tangyuan county east hill iron ore as typical ore deposit .