RH vacuum degassing process RH真空脱气方法
vacuum arc degassing process 电弧真空脱气法
vacuum cycle degassing process 真空循环脱气法
vacuum ladle degassing process 真空钢包脱气法
vacuum siphon degassing process 真空虹吸脱气法
The tube bloom made by this method has given out the same physical and chemical test results as that made by basic open-hearth furnace + vacuum degassing process + ESR process.
采用碱性平炉+ ESR(电渣重熔)法生产高强韧管坯，能完全满足管坯的各项技术要求，各项理化检测结果与采用碱性平炉+真空除气+ ESR法生产的同类管坯水平基本相当。
Nevertherless, basic oxygen furnace process with heated ladle refining and vacuum degassing may also be considered as acceptable.
不过，带加热钢水包精炼及真空除气的氧气顶吹转炉工艺也可接受。？
Thisarticle briefly introduces the secondary refining and discusses it with emphasis on vacuum degassing, vacuum ladle 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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