凹陷露天矿

  • 网络pit mine
凹陷露天矿凹陷露天矿
  1. 控制爆破技术在凹陷露天矿新水平开拓工程中的实践

    Application of controlled blasting technique in carving out a new level of a SUNKED strip mining

  2. 地下涌水引起水灾是凹陷露天矿的一个大问题。

    Water seeping through underground layers to cause flooding is a serious problem in open pit mines .