In order to save energy both the furnacc and the rolling mill facilities have to operate frequently and e-conomically a t optima...

• 为了大幅度地节约能源，轧钢厂的炉子和轧机的工作负荷不仅要移向＂经济区＂，而且还要尽量提高轧钢生产的均衡程度。