采用热风冲天炉-工频炉双联熔炼，气压保温浇包浇注。
The iron is melted with cupola- mainfrequency furnace duplex process, and pouring was conducted with pneumatic insulated pouring ladle.
随着单体设备的不断更新升级，现代冲天炉—感应炉双联熔炼的冶金特性也发生了很大的变化。
With the upgrading of the single equipment, the metallurgical characteristic of modern cupola - induction furnace duplex melting is variable.
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。
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.
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