基本解釋[經(jīng)濟學(xué)]具躰說明英漢例句雙語例句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。stage concretely更多例句專業(yè)釋義經(jīng)濟學(xué)具躰說明