求助(关于炼钢工艺)? The steel plates shall be made by electric furnace vacuum degassed steel process or basic oxygen furnace process with heated ladle refining and vacuum degassing。 是关于炼钢工艺的一句话,其中basicoxygen furnace process with heated ladle refining and vacuum degassing怎么理解 ?谢谢!查看更多1个回答 . 5人已关注