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zhu tie tie shui biao mian hua wen de shu zhi hua ji tie shui xing zhuang fen xi
Pages: 26-27
Year: Issue:  12
Journal: Machinery

Abstract: <正> 一、铁水花纹时间的测定白热的铸铁铁水表面出现有花纹,花纹出现时间的长短与铁水含碳量、含硅量、含气量、白口深度、收缩孔(用视在比重表示)以及共晶团数的关系已经弄清楚了。本文则介绍如何根据铁水花纹时间进行炉前管
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