加强超前钻探工作 确保掘进施工安全

Strengthen pre-drilling work to ensure the safety of driving construction

高阳煤矿新一采东部上组煤回风联巷作为东部总回风巷所用。通过该巷道贯通探放水设计及施工,释放出了巷道积水,取得了比较好的效果。

Return air connection is acted as the eastern total return air roadway in new first mining area of Gaoyang Coal Through the tunnel through the exploration and drainage design and construction in the process of connection, released the ponding of the roadway, and achieved a better effect.