短語詞組短語sludge dewatering treatment 污泥脫水處理sludge stabilization treatment 污泥穩(wěn)定化處理sludge circulation treatment 污泥循環(huán)處理sludge foundation treatment 淤泥地基處理activated sludge process treatment system 活性污泥法處理系統(tǒng)high -rate activated sludge waste treatment 高速活性污泥廢水處理sludge treatment structure 污泥處理構(gòu)筑物excess sludge treatment 剩余污泥處理 返回 sludge treatment