5717| 12
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大家看看這個零件怎么加工比較經濟? |
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點評
對,就是要相差不大才美觀。我們做過鋁的。
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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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