认为在三峡库区区县完善排水管网系统和建设城市污水处理厂迫在眉睫，氧化沟工艺不失为三峡库区区县污水处理工程的首选工艺。
It is urgent to perfect sewage pipeline system and to build municipal wastewater treatment plants. Oxidation ditch process is the first choice of possible ways.
介绍了上海市排水管道通沟污泥处理处置现状及存在的问题。
The current situation and existing problems of sewer sludge treatment and disposal in Shanghai were described.
介绍了上海市排水管道通沟污泥处理处置现状及存在的问题。
The current situation and existing problems of sewer sludge treatment and disposal in Shanghai were described.
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