A.0.2~0.3mg/L B.0.3~0.4mg/L C.0.05~0.08mg/L D.0.04~0.07mg/L
A.1~2mg/L B.2~5mg/L C.4~9mg/L D.5~8mg/L
A.加藥 B.殺菌 C.加藥脫氧 D.加藥脫氧殺菌