扩口式煤粉喷燃器
flare-type pulverized coal burner
粉煤喷吹
pulverized coal injection
风口喷煤
pulverized coal injection through tuyere
煤粉喷吹
pulverized coal injection
injection of pulverized coal
Bethe-hole directional coupler
coal injection
PIC
pci
smut blowtorch
喷煤粉
pulverized coal injection
铁矿粉、煤粉混合料
iron ore concentrate and pulverized coal composite
7种煤煤质
coal quality of seven coal samples