铁钨 meaning in Chinese

ferrotungsten

Ferro vanadium , chromium metal , manganese metal powder , copper welding rod molybdenum powder , aluminum metal powder , scrape of nails , ferro chromium
钛铁钨铁钒铁金属铬金属锰粉
Sampling and analysis of iron , steel and other ferrous metals - methods of analysis - determination of tungsten - ferrotungsten : gravimetric method
铁钢和其他黑色金属抽样与分析.第3部分:分析方法.第33节:钨含量测定.第3小节:铁钨合金:称重法