By which we took Hei Dai Gou open pit coal mine as an example to study the plan ,devise and practice of land reclaimation in the specific open pit coal mines.

  • 在此基础上以黑岱沟露天煤矿为实例,研究了具体露天煤矿土地复垦的规划、设计和实施。
目录 查词历史