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| average hot metal temperature (The results of the computer simulation indicate that the hot metal ratio can be decreased from 78. 8% to 70. 0%, if the average hot metal temperature is increased by 200°C 计算机模拟结果表明，如果铁水平均温度提高 200°C ,铁水比可以由 78.8% 下降到 70. 0%。) | |||