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.
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。 返回 stage concretely