pig iron

生铁

例句与用法：

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。

A furnace in which pig iron is converted into steel by the Bessemer process.

炼钢熔炉一种通过酸性转炉法将生铁练成钢的设备

Pig iron used as permanent ballast.

压载铁做为永久性压舱物的生铁

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。

词形变化：

动词过去式: pigged | 动词过去分词: pigged | 动词现在分词: pigging | 动词第三人称单数: pigs |

详细释义：

ph.

生铁