The results show that natural dilapidation of the safe roof is not good,but using the artificial inducement dilapidation technology and carrying out the reasonable order of extracting and ...
英
美
- 结果表明,安全顶板自然崩落性差,采用顶板人工诱导崩落技术,实施合理的采、放顺序,可以保证矿体的安全回采,为地下矿体连续回采和顶板安全管理提供了科学依据。
