BF burden

• 高炉

BF burden的用法和样例：

例句

1. Technological progress in BF ironmaking of Bayi Iron and Steel Co.
   八钢高炉炼铁技术进步。
2. Carburization of molten iron in the dropping zone of BF has been studied.
   高炉铁水渗碳的主要阶段在滴落带，炉缸内的渗碳过程不会掩盖滴落带的渗碳规律。