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(shù)具有生産工藝較簡單、産品純度高等優(yōu)點，在有色金屬冶金領(lǐng)域佔有非常重要的位置。 返回 non-ferrous production metallurgy