采矿巷道 meaning in Chinese

gurmy

Analysis of result of smooth blasting in mining tunnel
光面爆破掘进采矿巷道的效果分析
The smooth blasting technique and its application to unstable mining channel
不稳固采矿巷道光面爆破技术及应用
Bp network - based back analysis of wall - rock mechanics parameters in mining tunnel
网络的采矿巷道围岩力学参数反分析
Numerical simulation of support parameters in - 74 meter level tunnel in longdong zone of daye mine
水平采矿巷道锚喷参数数值模拟研究