钻机

• The industrial test of the mz - 150 anchor rig
  150型锚杆钻机的工业性试验
• Measure to improve reliability of ymz - 7 . 5 hydraulic roofbolter
  5液压锚杆钻机可靠性的措施
• The design and analysis of the mkf - 2 type drilling rig
  2型短钻孔瓦斯抽放钻机的设计与分析
• Development on impact circumrotate bolt drill
  冲击旋转式锚杆钻机的研制
• Research and development of new drilling bit for roof bolt driller
  锚杆钻机新型钻头的研制
• This could easily entail two or three rigs and several months
  这需要两三个钻机和几个月。
• Sea engineering geological exploration drilling rig hgd type
  海洋工程地质勘察钻机hgd系列
• Core drilling machines on stand - safety ; german version en 12348 : 2000
  立式岩芯钻机.安全性
• Model kqy90 hydro - pneumatic down hole drill rig
  90型气液联动潜孔钻机
• Application of model zdy - 5 hydraulic tunnel drilling machine
  5型煤矿用全液压坑道钻机的应用