jumbo

特殊用法drilling jumbo1.钻孔台车high-back jumbo1.高工作面钻车hydraulic jumbo1.液压台车盾钩hydro-boom jumbo1.液压钻架钻车loader-mounted jumbo1.装在装载机上的钻车long-feed drill jumbo1.深给进钻车roof-bolting jumbo1.杆柱孔钻车, 锚杆孔钻车roof-pinning jumbo1.杆柱孔钻车, 锚杆孔钻车rotary drill jumbo1.旋转式钻车rotary-percussion drill jumbo1.旋转冲击式钻车shaft drill jumbo1.钻井机, 凿井钻车sinking (drill) jumbo1.凿井用钻车single-boom jumbo1.单臂架钻车track-mounted jumbo1.轨道上行走的钻车three-level jumbo1.三层钻车tractor jumbo1.牵引式钻车truck jumbo1.台车盾构two-deck jumbo1.双层钻车two-machine jumbo1.两台凿岩机钻车
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