ironbarn.铁条ironn.熨斗；铁；刚强(复）irons: 镣铐.v.熨；烫adj.铁的；刚强的iron grade measurement铁品位测量iron porphyrin protein铁卟啉蛋白iron-fixing bacteria固铁菌iron-manganese crust铁锰结壳iron and steel casting钢铁铸件iron synthesis furnace铁合成炉iron thiosemicarbazone缩氨基硫脲铁iron-making industry炼铁业iron railings concrete铁尾矿混凝土iron square head screw方头铁螺钉