钻探

• Valuable deposits of oil have been found by drilling
  通过钻探发现很有开采价值的油层
• Valuable deposits of oil have been found by drilling
  通过钻探发现很有开采价值的油层
• Mine plans - drilling and cavern - part 1 : drilling
  矿区平面图.钻探和孔洞.第1部分:钻探
• Code for geological drilling of railway engineering
  铁路工程地质钻探规则
• Development of geothermal well drilling tech . in beijing area
  北京地区地热井钻探工艺发展
• Pre - drilling for bridge no . str 21 at zone 2
  于2区的桥编号str21进行钻探
• Pre - drilling for bridge no . str06 at zone e
  于e区的桥编号str06进行钻探
• Applications of new technologies in the scientific ocean drilling
  科学大洋钻探中的新技术
• Drilling technology of environmental scientific drilling on lake
  湖泊环境科学钻探施工技术
• Scientific ocean drilling and gas - hydrates
  科学大洋钻探与天然气水合物