Thisarticle briefly introduces the secondary refining and discusses it with emphasis on vacuumdegassing, vacuumladle refining and refining process of stainless steel, etc.
本文介绍了中国炉外精炼概况，并着重讨论了真空脱气、真空钢包精炼以及不锈钢精炼法。
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Nevertherless, basic oxygen furnace process with heated ladle refining and vacuumdegassing may also be considered as acceptable.