A.预热助燃风和煤气
B.增大助燃风量
C.提高煤气量

A.CO、H₂O、N₂
B.CO₂、H₂O、N₂
C.H₂、H₂O、CH₂

A.1%
B.3%
C.0.5%
D.4%

A.C、CO和H₂
B.C、NH₄、CO₂、O₂
C.N₂、H₂O

A.S、P、Pb、Zn
B.Si、Fe、FeO
C.Al₂O₃、MgO、CaO

A.1.0
B.0.8
C.1.5
D.1.2

A.1m³
B.0.5m³
C.1.2m³
D.0.7m³

A.50%
B.60%
C.80%
D.95%

A.±1%
B.±2%
C.±3%
D.±4%

A.
B.
C.