A.0.10%≤w(C)≤0.20%B.0.20%≤w(C)≤0.30%C.0.30%≤w(C)≤0.50%D.0.40%≤w(C)≤0.50%
A.靜態(tài)計算B.動態(tài)計算C.煙氣分析計算D.不計算
A.200B.250C.300D.350