highwall mining with auger machine 螺旋钻机开采

auger type filling machine 螺杆式充填机

hydraulic gait-model all-auger drilling machine 液压步履式螺旋钻孔机

auger brick machine 带式制砖机

auger-drilling machine 旋挖钻机

auger drilling machine 液压步履式螺旋钻孔机

Giant auger dig machine 巨型钻掘机

machine auger bits for sleepers 轴用机动麻花钻

auger of pit-digging machine 坑田机钻头