例句 /

An application of technology of large size upright deep hole pre-split blasting in Yunfu Pyrite Mine is introduced, and some improvement concrete measures in according to these problems existed in the practice are presented in this article.

An application of technology of large size upright deep hole pre-split blasting in Yunfu Pyrite Mine is introduced, and some improvement concrete measures in according to these problems existed in the practice are presented in this article.

摘要介绍了大孔径垂直深孔预裂爆破技术在云浮硫铁矿临近边玻控制爆破中的应用,并针对实践中存在的一些问题,提出了具体改进措施。