highwall mining with auger machine 螺旋钻机开采
highwall l 边坡
highwall mining 端帮采煤
highwall slope 高边坡
highwall coal 边坡煤
highwall control 边坡控制
rock highwall slope 岩质高边坡
highwall auger mining 高边坡钻孔采矿法
Highwall-widespan chamber 高墙大跨度硐室
The fracturing process induced by different excavation sequence under final highwall with auger mining was numerically simulated.
对到界边坡下采用螺旋钻机开采煤柱不同开采顺序引起的破坏过程进行了数值模拟。
The mining equipment business of Terex produces the world's largest hydraulic excavators, rugged haul trucks, advanced drilling machines, and highwall mining systems.
特雷克斯采矿设备部门生产世界最大的液压挖掘机、托运卡车、钻机和高壁采矿系统。
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