54315| 153
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斜面鉆孔,請教 |
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點評
對頭
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點評
可行
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點評
沒有行為公差和嚴格的尺寸要求
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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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