11630| 17
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45鋼 M8 M10 M12 攻牙,請教高人 |
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點評
保險一點,按五米的線速度吧
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點評
材料45鋼是調質鍛打的 絲攻是最普通的國產機用直槽絲攻
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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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