5510| 3
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38nicrmo4是什么模具材質? |
Re: 38nicrmo4是什么模具材質?
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應該是合金結構 鋼
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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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