Unit One History of Ironmaking and Steelmaking Warm Up Reading Text-related Technical Terms Notes Translation Tips Exercises Research TaskUnit Two Raw Materials for the Production of Iron Warm Up Reading Text-related Technical Terms Notes Translation Tips Exercises Research TaskUnit Three The Blast Furnace Plant Warm Up Reading Text-related Technical Terms Notes Translation Tips Exercises Research TaskUnit Four Non-blast Furnace Ironmaking Warm Up Reading Text-related Technical Terms Notes Translation Tips ……Unit Five Raw Materials of SteelmakingUnit Six Basic Oxygen Furnace Steelmaking ProcessUnit Seven Electric Arc Furnace Steelmaking Process ~Unit Eight Secondary Refining ~Unit Nine Continuous Casting of Steel\Unit Ten A Real Challenge to Steelmakers參考答案附錄參考文獻(xiàn)