6682| 9
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塑膠模的頂針如何生產出來的? |
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點評
我心里也這么想,但走芯機下料成本就高了,幾毛錢的最終單價應該拿不下來
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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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