Based on engineering practice, discusses som e characteristics of air conditioning design in large space buildings with light s teel frames. 结合工程实践,探讨了大空间建筑空调设计的一些特点。
Therefore,the several rephosphorization prevention methods are put forward by slag optical basicity control when the som... 由此提出在转炉下渣条件下,控制钢包渣光学碱度来控制回磷的几点措施。