pig iron

详细解释:【化】 生铁

英语解释：

名词 pig iron:

crude iron tapped from a blast furnace

例句：

He asked us how much pig iron we could produce per day and calculated with us how much we could put out in a year.他问我们每天能生产多少生铁，又跟我们一道计算一年内能生产多少。