Yahoo奇摩字典 網頁搜尋

  1. Bessemer process

    • n.
      a steel-making process, now largely superseded, in which carbon, silicon, and other impurities are removed from molten pig iron by oxidation in a blast of air in a special tilting retort (a Bessemer converter).
    • noun: Bessemer process, plural noun: Bessemer converters

  2. 知識+