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攻牙時絲攻斷在盲孔里咋取出來? |
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點評
你的想法是和焊根棍擰出來一樣的,但是絲攻硬度那么高,你如何穿一根鋼絲進去
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小黑屋|手機版|Archiver|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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