18153| 64
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圓弧面加工螺紋 |
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點評
蝸桿跟螺紋的區(qū)別不是很多
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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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