In this paper the author of underground coal mine deepholeblasting technology in this paper.
本文笔者就其中井下煤矿深孔爆破施工技术进行阐述。
2
Through deepholeblasting, water injection and roof strata of integrated management measures for the effective solution of the gas problem.
通过采取深孔爆破、顶板注水和矿压分析等综合治理措施，有效的解决了瓦斯问题。
3
In the construction period of some flat earthwork deepholeblasting, the price of blasting materials was rising, so how to save the cost was the main problem faced the project.