non-ferrous production metallurgy
常见例句
- With such advantages as simple production engineering, high purity production, vacuum-thermal reduction technology takes a important position in non-ferrous metallurgy field.
真空熱還原制備技術具有生産工藝較簡單、産品純度高等優點，在有色金屬冶金領域佔有非常重要的位置。 返回 non-ferrous production metallurgy