他们的炼炉不是那种爆发出阵阵轰鸣声的炼炉，相反，它们是使用小型的、低噪音的、利用电流来重新融化钢铁的真空电弧熔铸炉。
Its furnacesare not of the roaring blast variety; they are small, purring vacuum-arc furnaces that use electrical currentto re-melt steel.
提出熔敷焊接工艺方法，采用等离子弧、TIG电弧、高频感应、气保护连续炉、真空炉和模中熔铸工艺实现了熔敷焊接工艺方法。
Re melt deposit welding process is proposed in this paper. To realize the technology, plasma arc, TIG arc, high frequency induction, gas shield continuous stove and MSW are adopted.
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