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solidification front

冶金 凝固界面; 凝固前沿; 固-液相分界面; 凝固前沿 (The dissolved oxygen in steel combines with carbon to give carbon monoxide gas, which is released at the solidification front. 钢中的溶解氧与碳结合生成的一氧化碳气体在凝固前沿逸出。)