A.調(diào)節(jié)水量 B.清除水垢 C.降低進(jìn)氣溫度 D.加大換熱面積
A.0.6 B.0.5 C.0.8 D.1
A.0.6 B.0.8 C.0.5 D.0.1
A.0.2~0.5mg/m3 B.40mg/m3 C.0.5mg/m3 D.1mg/m3
A.170 B.160 C.180