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电弧炉泡沫渣
met. foaming slag in electric arc furnace (【技】在电弧炉炼,钢过程中,电弧炉内形成的泡沫渣会包围住电极电弧,减少电弧向炉衬辐射热量,保护炉衬;同时有利于炉渣吸热,改善电弧向钢水的传热,有利于钢水升温,提高用电效率,减少炉衬损蚀和电极的消耗。); foamy slag in electric arc furnace