... tooth vernier 游标齿厚卡尺 tooth wheel 齿轮 toothache killer pill 牙痛一粒丸 ...
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tooth-wheel bit 牙轮钻头
tooth wheel rim 齿轮缘
wheel tooth [机] 齿轮齿
internal tooth wheel 内齿轮
tooth of wheel [机] 轮齿
cycloid wheel tooth 摆线轮齿
epicycloidal wheel tooth 外摆线齿轮
mortise wheel tooth 镶轮齿
·2,447,543篇论文数据，部分数据来源于NoteExpress
gear wheel , cog wheel
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