ruhrstahl meaning in English

鲁尔钢铁公司

Specifically for the iron and steel industry during the past 15 years , thermo electron has installed over 100 mass spectrometers for gas analysis applications involving the following plants : coke ovens , blast furnace ( bf ) , direct reduction iron ( dri ) , basic oxygen furnace ( bof ) , electric arc furnace ( eaf ) , argon oxygen decarburization ( aod ) furnace , vacuum oxygen decarburization vod furnace and ruhrstahl - hausen ( rh ) furnace
尤其在过去15年的钢铁行业中，超过100台过程质谱仪用于气体分析，包含：焦炉，高炉，直接还原炼铁炉，氧气顶吹转炉，电弧炉，氩氧脱碳转炉，真空氧气脱碳炉和循环法真空脱碳炉。