1483| 12
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組裝貼合問題 |
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點評
樓下已補充圖片
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點評
因為圓面很小,在50*80的面上,圓弧大概有3000mm以上的直徑
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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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