pig g iron生铁;生铁块
pig-iron生铁
charcoal pig-iron木炭生铁
pig-iron cost吨铁成本
pig-iron charge生铁料
pig-iron mixer生铁搅拌器
casting pig cast iron铸铁
pig-iron ladle铁水罐
pig-iron barrow运生铁手车
N（名词） crude iron produced in a blast furnace and poured into moulds in preparation for making wrought iron, steels, alloys, etc 生铁