- countersink bit rose countersink drill
- countersink bit; rose countersink drill
- 埋头钻: counter sinking bit; chamfer ...
- 嘴: mouth
- 坏埋头钻嘴: machine countersink drill
- 机械埋头钻嘴: machine countersink drill
- 埋头钻: chamfering bit; counter drill; counter sink drill; counter sinking bit; countersink drill; countersink n; countersink reamer; countersinking bit; countersunk drill; sunkdrill
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