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| RH-OB 法 (【技】以 RH 设备为基础，在真空室侧壁上安装吹氧枪，向真空室的钢水表面吹氧，用以脱除钢水中碳的工艺。) | |||
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| RH-OB 法 (【技】 RH-OB process。) | |||
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