stone sharpening device 刻石装置
self-sharpening device 自动磨刀片装置
fully automatic sharpening device 全自动研磨机
·2,447,543篇论文数据，部分数据来源于NoteExpress
Present a method of sharpening twist drills in the interior conical surface and exterior conical surface grinding wheel. A novel sharpening device of linkage-gear compound mechanism is designed.
提出了利用外锥面砂轮实现内锥面刃磨钻头的方法，设计了实现该方法的连杆齿轮组合机构。
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