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| refining technology by argon injection into ladle (【技】将惰性气体 — 氩气吹人钢包中用以搅拌钢水，在钢水中形成大量气泡，将钢水中的有害气体带走，降低钢中气体的含量，促使钢水中夹杂物上浮去除，同时还可均匀钢水成分和温度分布，以利于钢水浇注。) | |||
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