表土顿钻钻孔  spudding bit

超深度钻孔  superdeep drilling

大孔钻孔  big-diameter hole drilling

多厚度钻孔  drills a hole to the different thickness

弓钻钻孔器  brace bit

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

平行钻孔钻架  gadding machine

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

水冲钻钻孔  hydrauger hole

钻孔、钻头、钻床  Drill

钻孔钻头  Boring bit

钻孔-钻削  drilling; Drill

钻头钻床钻孔钻  Drill

通孔精度  through-hole precision

槽沟宽度精度  slot width accuracy

长度精度  length accuracy

分度精度  indexing precision; indexing accuracy