rock drill造句

• Rock drilling machines and pneumatic tools - terminology
  凿岩机械与气动工具术语
• Model to evaluate anisotropy of rock drill - ability
  岩石可钻性各向异性评价模型研究
• Evaluation on rock drill - ability by well logging data
  利用测井资料评价岩石可钻性研究
• Terminology of rock drilling machines and pneumatic tools
  凿岩机械与气动工具名词术语
• Rope thread extension steel bars for rock drilling
  凿岩用波形螺纹连接钎杆
• Rock drilling equipment . hollow drill steels in bar form
  凿岩钎杆用中空钢
• Rock drilling equipment - hollow drill steels in bar form
  凿岩钎杆用中空钢
• Ore - used flameproof electrical rotary rock drills
  矿用隔爆电动岩石钻
• Rock drilling machines and pneumatic tools - safety requirements
  凿岩机械与气动工具安全要求
• The design of automatic testing system for pneumatic rock drill
  气动凿岩机性能测试系统的研制
• Safety requirements for rock drilling machines and pneumatic tools
  凿岩机械与气动工具安全要求
• Rock drilling machines and pneumatic tools - limited value of noise
  凿岩机械与气动工具噪声限值
• Long service life percossive rock drilling rods
  工业炸药和凿岩机发明后困扰世界采掘工业的百年难题
• Drill bits with tapered connection for percussive wet rock drilling
  凿岩.冲击湿式凿岩用的锥体钻头
• Hollow hexagonal drill rods with taperd connection for rock drilling
  凿岩用锥体连接中空六角形钎杆
• Rock drilling ; flush drills ; drill rod profiles , shanks and tapers
  凿岩.冲击钻.钻杆截面.钻柄和锥度
• Hollow hexagonal drill rods with tapered connection for rock drilling
  凿岩用锥形连接中空六角形钎杆
• General technical condition of pneumatic rock drill used in coal mine
  煤矿用气动凿岩机通用技术条件
• Carbide detachable bit for rock drilling
  凿岩用硬质合金钎头
• Study on pz modular roller - cone bit and rock drilling technology
  系列组合牙轮钻头及其嵌岩技术的研究