基本解釋[經(jīng)濟(jì)學(xué)]具體說(shuō)明英漢例句雙語(yǔ)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(zhǔn)備工作、熔化期、 氧化期和還原期五大階段，詳細(xì)敘述了電弧爐煉鋼的工藝過(guò)程。stage concretely更多例句專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)具體說(shuō)明