A.降低對(duì)流管進(jìn)料溫度 B.提高對(duì)流管進(jìn)料溫度 C.提高煙氣排放溫度 D.采用脫硫燃料
A.2 B.3 C.4 D.5
A.10ppm B.25ppm C.50ppm D.100ppm