- three-flanged bone reamer
- 三: three
- 刃: the edge of a knife,sword,et ...
- 扩孔钻: reamer; rimer; spud; counter ...
- 锥柄三刃扩孔钻: taper shank three-edge hole-dilating drill
- 扩孔钻: [木] reamer; rimer; spud; counterbore; expanding bit; expanding auger; expanding drill; fraise
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