常見例句雙語例句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產工藝較簡單、產品純度高等優(yōu)點，在有色金屬冶金領域占有非常重要的位置。 返回 non-ferrous production metallurgy