1)process metallurgy,制造冶金学2)metallurgy and material manufacture,冶金学及材料制备学3)chemical metallurgy,化学冶金<冶>4)metallurgical chemistry,冶金化学<冶>5)metallurgy rolling,冶金轧制6)Metallurgical features and strengthening mechanism,冶金学特性和强化机制
英汉例句
In 21 century, the development of metallurgy and material manufacture should be two tendency.
