pig-iron的用法和样例：
词汇搭配
- silky pig iron 锦生铁
- basic pig iron 托马斯生铁,碱性生铁...
- forge pig iron 可锻生铁
- cold pig iron 冷生铁
- eutectic pig iron 共晶生铁
- electric pig iron 电炼生铁
- cinder pig iron 夹渣生铁
- mottled pig iron 麻口铁,麻口生铁...
- iron pig 生铁
- pig iron 生铁
- coke pig iron 焦炭生铁
- foundry pig iron 铸造用生铁
- gray pig iron 灰口生铁,灰生铁,灰...
- white pig iron 白生铁,白口生铁...
- malleable pig iron 制造可锻铸铁的生铁,...
- graphitic pig iron 灰口铁
- phosphoric pig iron 高磷生铁
