The design position of false incline shaft in the development of gold mine can be speedily derived from the equation for the development of false incline shaft.

 
  • 本文介绍在黄金矿山设计中,利用伪斜井开拓推导公式,准确、迅速计算出伪斜井设计方位。
今日热词
目录 附录 查词历史