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.
