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1·So it is practicability that the carbofrax is used in open-hearth steelmak…

因此，碳化硅作为扩散脱氧剂在平炉上应用是完全可行的。

2·Carbofrax used as the chill material for casting may make casting obtain compact and wear-resistant structure.

碳化硅作为铸铁件激冷材料，可以使铸件获得致密而耐磨的组织。