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iron-carbon phase diagram
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iron-carbon phase diagram
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工学
铁碳相图
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iron-carbon phase diagram
铁碳相图
以温度为纵坐标,碳含量为横坐标,表示在接近平衡条件(铁-石墨)下和亚稳条件(铁-碳化铁)下,以铁、碳为组元的二元合金在不同温度下所呈现的相和这些相之间的平衡关系的几何图形。又称铁碳平衡图、铁碳状态图。
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papermaking control system
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paper making industry
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Paper Map from Fangmatan,Tianshui
Paper Map Unearthed from Fangmatan
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paper money in ancient China
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paper of pre-modern Chinese books
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更新时间:2026/8/6 3:11:56