A.0.80~1.25 B.0.90~1.25 C.0.80~1.20 D.0.85~1.25
A.1~2 B.2~3 C.3~4 D.4~5
A.氧化物分解 B.脫硫 C.噴吹物分解 D.高爐煤氣熱值