The defects on pinhole bubble formed in slabs result from badness deoxidization, and the defects on large volume bubbles formed in slabs result from the high flux of argon during casting.
铸坯内产生针孔气泡缺陷的原因是钢液脱氧不良，产生大体积气泡缺陷的原因是铸机浇注过程中氩气流量过高。
The model for the escape of rising gas bubbles at free surfaces, which is a part of the drift-flux model, has been improved to include a rate for their escape.
为上升气泡沫的逃亡·模型在冲销-磁束的模型一部份的免费表面已经被改良为他们的逃亡包括比率。
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