矿山地质环境问题及防治对策研究 ——以太丁采石场为例 .pdf
-0183-2 na ruction, topographic and geomor nd other mine geologic environ f analyzing the geological environ Land resources destruction and top atus, prediction assessment and pre as put forward prevention and con rol to provide reference. ive uation; prevention and control countermeasures 2020-02 1987