3452| 6
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最近剛接觸到銑削螺紋,希望集思廣益 |
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點評
基礎的東西弄明白也是應該的,怎么會沒有意義,。只是樓主的標題不恰當
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Archiver|手機版|小黑屋|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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