variable-beam caster(Bethlehem had committed $ 100 million principally to install an electric furnace, a variable-beam caster as well as to upgrade the rolling mill and increase process control. 伯利恒钢公司已拨付 1 亿美元，主要用于建造一座电炉和一台可调尺寸工字梁坯连铸机、对轧机进行升级改造以及提高工艺控制能力。)
movable armor(The adverse effects of particle size segregation toward the wall are effectively countered by adjusting the ore/coke ratio in the wall region using movable armor. 通过使用活动炉喉护板调整炉墙处矿/焦比使得炉墙处粒度偏析的负面效应得以有效抑制。)
