... duplex helical || 双重螺旋法(加工方法之一) duplex iron || 两用铁(碱性炼钢及酸性炼钢炉适用的生铁)，双联铸铁 duplex lathe || 复式车床 ...
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The duplex melting process by Blast and Medium-Frequency Induction Furnaces for cast iron production has been studied.
对高炉-中频炉双联短流程熔炼生产铸铁件工艺进行了分析研究。
The results show that the duplex structure ductile iron is a good abrasive-resistant material.
试验结果表明，这种复相球墨铸铁材质是一种优良的抗磨材料。
It was investigated that the short-cut process of producing high quality iron castings by duplex melting with blast furnace and medium frequency induction furnace.
分析了高炉 中频炉双联熔炼短流程生产工艺的特点，采用液态金属状态测评系统研究短流程铁液状态。
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