stage concretely
常见例句
- This paper expounds concretely the techniques for arc furnace steelmaking from five stages of materials collection, preparatory work, melting stage, oxidating stage and reducing stage.
從原材料的收集、準備工作、熔化期、 氧化期和還原期五大堦段，詳細敘述了電弧爐鍊鋼的工藝過程。 返回 stage concretely