这些工艺包括氧焰熔炼工艺、瓦纽科夫熔炼工艺、固定式顶吹炉熔炼工艺和可倾炉熔炼工艺。
These processes include:oxygen-flame smelting process, the Vanyukov smelting process, smelting in a stationary unit with top blowing and smelting in a tilting furnace.
针对传统可倾式渗碳转筒炉无法精确控制碳势的缺点，设计制作了可控气氛转炉并进行了试生产。
Considerate that normal rotary hearth furnace can't control the carbon potential precisely, we designed rotary hearth furnace with controlled atmosphere and then managed to use it in manufacturing.
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