vacuum treatment capacity(The strong increase in vacuum treatment capacities in the EU reflects the demand for high quality steels. 欧盟真空处理能力的迅猛增加,反映出人们对优质钢的需求。)
vacuum-induction melting furnace(A new 20-tonne vacuum induction melting (VIM) furnace, three 150-tonne DC electric arc furnaces and two 36-in. vacuum arc remelt (VAR) furnaces have just begun operation. 一座新建的 20t 真空感应熔炼 (VIM) 炉,三座 150t 直流电弧炉和两座 36in 的真空电弧重熔 (VAR) 炉于近期刚刚投产。)
vacuum degasser(The company supplied the complete electric steelmaking plant with an annual capacity of 600, 000 tonnes comprising a 150 t EBT electric arc furnace with slag-free bottom tapping, a ladle heating furnace, a vacuum degasser for secondary metallurgy and four-strand continuous caster for rounds with diameters ranging from 210 to 310mm. 该公司提供了一套年生产能力 60 万 t 的电炉炼钢设备,其中包括一座具有无渣炉底出钢功能的150 t 偏心炉底出钢电弧炉、一座钢包加热炉、一台二次冶金用真空脱气装置以及一台用于浇铸直径 210 ~310mm 圆坯的四流连铸机。)