12983| 41
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成型模具---請教! |
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點評
覆蓋件模具都是大量用鑄鐵制造的,45#鋼咋就不能用呢?
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點評
嗯,不量產沒事,最好熱處理下。
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小黑屋|手機版|Archiver|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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