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一般情况和应用工具铁水是在内径20”的等风冲天炉内熔化,因为所用焦炭的品质较差,出铁温度约为1350℃左右。
The general situation and the application of hot metal in the ID 20 "isopterygium furnace melting, because of the poor quality of the coke used, tapping temperature is about 1350 ℃.