A.初沉污泥 B.消化污泥 C.活性污泥 D.腐殖污泥
A.0.1 B.0.2 C.0.3 D.0.4
A.1700m3/d和98.0% B.1600m3/d和98.2% C.1400m3/d和98.8% D.1500m3/d和99.0%