A.0.01~0.03 B.0.003~0.006 C.0.005~0.01 D.0.001~0.003
A.剩余活性污泥B.消化污泥C.腐殖污泥D.化學(xué)污泥
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.(35±1) B.(53±1) C.(20±5) D.(25±5)