大中型球团生产线
construction of large and medium scale pellet production line
发泡脱磷球团
foaming and dephosphorization pellet
钒钛磁铁矿煤球团
Vanadium-titanomagnetite-coal mixed pellet
Vanadic-titanomagnetite-coal mixed pellet
高含碳金属化球团
high carbon-bearing pellets
高球团比冶炼
high pellet ratio
high pellet ratio metallurgy