stage concretely

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英汉例句

双语例句

• 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.
  从原材料的收集、准备工作、熔化期、 氧化期和还原期五大阶段，详细叙述了电弧炉炼钢的工艺过程。

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专业释义

经济学

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