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.
真空热还原制备技术具有生产工艺较简单、产品纯度高等优点，在有色金属冶金领域占有非常重要的位置。 返回 non-ferrous production metallurgy