iron bridge 鐵橋iron box 熨斗。iron boot iron blue iron blast-furnace slag [土木建筑工程]化鐵高爐渣iron binding wire [交通運輸工程]鐵扎線iron base friction plate [機械工程]鐵基摩擦片iron bar 鐵條；鐵錠iron bacteria colony [教育學(xué)]鐵菌菌落iron bacteria [微] 鐵細菌iron army 鐵軍iron and steel scrap 廢鋼鐵iron and steel plant [能源科學(xué)技術(shù)]鋼鐵廠iron and steel industry [冶] 鋼鐵工業(yè)iron and steel complex 鋼鐵聯(lián)合企業(yè)iron and steel company [冶] 鋼鐵公司iron and steel 鋼鐵iron aluminium nickel alloy [經(jīng)濟學(xué)]鐵鋁鎳合金[商業(yè)]鐵鋁鎳合金iron alloy [材] 鐵合金iron (n.)