副室类型Deputy room type：全开门 Full-door
炉盖类型Lid Type：斜顶 Inclined top 
磁场类型Field type：勾型、水平型（可选）hook type, horizontal type (optional)
有导流筒提升、激光测距、CCD控径
There draft tube upgrade, laser ranging, CCD control path
可提供二次加料providing secondary feed