炉料结构优化
optimization of raw material structure
炉料连续预热
continuous scrap prehe ating
炉料料位记录器
furnace charge level recorder
炉料配比优化
burdening proportion optimization
炉料偏行
burden material falling deviation
炉料铁钢比
charging iron-steel ratio
炉料透气性
Ventilation capability of charging
炉料下降速度
speed of material descent
炉料预热
scrap preheated by furnace