4752| 3
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關于齒輪外徑的測量方法 |
點評
齒輪外圓有公差要求,H6的精度,要測吧
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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