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| 感应炉炼钢 (【技】利用感应电热效应加热、熔化、精炼金属的炼钢方法，特别适于用优质废钢、铁合金冶炼少量优质钢和合金。感应炉电源一般分为高频、中频和工频三种。配有真空系统的真空感应炉更是冶炼优质合金的重要设备。) | |||
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