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用高U度钢砂以不规则形状弥散于铝液中凝固而成Q既增大铝的比重Qg镉K在钢液中的时_使其能充分与钢水q行界面反应Q提高脱氧能力和铝收得率Q又相对保持各自的特性,铝和钢相伴熔化,铝中有铁Q铁中有铝,IK液渣层Q层层剥,~慢熔化Q充分反应,起到更好的脱氧作用?/p>
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