钻头

• Accord with down hole hammer from ingersoll - rand
  与ingersoll - rand公司相通用的钻头
• Welded drill rod and bit for low - compressive strength rock
  焊接结构软岩钻杆与钻头
• Taper plug gauges for taper sleeves for drill chucks
  钻头夹头锥形套用锥度塞规
• Don ' t forget to bring 10 and 13 drills . - okay
  -别忘了带10到13个钻头回来-好的
• Diamond wheels for pcb micro - drill grinding
  Pcb微钻头micro drill用钻石砂轮
• A forecasting system for wear of drill based on rough set
  集的钻头磨损状态预报系统
• Taper ring gauges for taper shafts for drill chucks
  钻头夹头锥形轴用锥度环规
• Keyless type three - jaw drill chucks - specification
  无键型三爪钻头卡盘.规范
• Run subsea tv to observe bit entering the tgb
  下水电视观察钻头是否进入临时导向基板
• The wear mechanism of new type of drill coated with ticn
  涂层钻头的磨损机理