A.100 B.200 C.300 D.400
A.热容量大 B.导热性好 C.导热性差
A.高炉煤气 B.焦炉煤气 C.混合煤气 D.转炉煤气
A.混和高热值煤气 B.煤气降温脱湿 C.预热助燃空气和煤气
A.1% B.3% C.0.5%
