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碳鋼鍍白鋅和不銹鋼的差別在哪里啊 |
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點評
除此之外,不銹鋼的相對于碳鋼的較軟
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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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