31975| 107
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郁悶的零件價格10元一個,還叫人怎么活 |
點評
精密鑄造成本很高,10塊一件,而且精密鑄造適用于大批量生產,樓主批量多少?
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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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