glazed pig

• 高硅生铁,脆性生铁

glazed pig的用法和样例：

例句

1. This building makes muskets from pig iron.
   生铁在这里被制成步枪。
2. Pig iron is converted into steel by removing most but not all the impurities.
   生铁变成钢要除掉大部分而不是全部的杂质。