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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