钻: drill; auger岩: rock钻头: boring crown; bore bit; dril ...硬砂岩钻头: core-barrel bit凿岩钻头: rock bit钻岩用钻头: aiguille牙轮凿岩钻头: roller-type rock bit锥形凿岩钻头: cone rock bit打水井机凿岩钻头: rock bit for water well drilling rig三牙轮凿岩钻头: three-cone rock bit电动钻岩机钻头: electric rock drill bit; electricrockdrillbit凿岩钻头用硬质合金片: rock bit insert钻岩船: rock drill barge; rock drill vessel钻岩的: lithotomous; rock boring钻岩机: machine rock drills; rock borer; rock boring machine; rock drilling machine; rock-boring machine; trepan钻岩器: gadder软岩钻机: soft-rock drill软岩钻具: soft-ground boring tool硬岩钻工: hard-rock driller硬岩钻进: hard drilling; hard-rock boring; hard-rock drilling凿岩钻孔机: drill钻头: boring crown; bore bit; drilling bit; [机械工程] bit (of a drill) 三牙轮钻头 three cone bit; 卸下钻头 break out a bit; 装上钻头 brace a bit电动钻岩机: electric rock drill难钻岩石: resistant rock水下钻岩机: underwater rock drill