词语以硼化物,碳化物,氮化物,氧化物,硅化物作为硬金属,质量含量超过50%
解释borides,carbides,nitrides,oxides,silicides as hard metal of more than 50% by weight
borides,carbides,nitrides,oxides,silicides as hard metal of more than 50% by weight以硼化物,碳化物,氮化物,氧化物,硅化物作为硬金属,质量含量超过50%详细»