金刚石钻孔工具  diamond drilling tool

精密深孔钻孔工具  precision deep hole drilling tool

提升臂钻孔工具组件  lift arm boring tool group

扩孔钻井工具  expanding drilling tool

深孔钻床工具  deep hole drilling tool

镗床镗孔刀具钻孔器钻孔工人蛀木虫  borer

钻具工具  drilling tool

表土顿钻钻孔  spudding bit

大孔钻孔  big-diameter hole drilling

顿钻钻具  cable tool; cable drilling

顿钻钻具下击  free fall

弓钻钻孔器  brace bit

模具钻孔机  mold drill machine

平行钻孔钻架  gadding machine

气举反循环钻孔工艺  air-pump-reverse drilling technique

人工钻孔  drilling; Hand

深孔钻孔  deep hole drilling

生物钻孔孔隙度  boring porosity

数控深孔钻钻床  CNC drilling machine