叙述了循环式活性污泥法处理污水的工艺流程，技术特征，指出，其存在的问题，提出相应的对策。
Process, technical characteristics of sewage treatment using CASS were described, pointed out its problems, proposed appropriate measures.
叙述了循环式活性污泥法处理污水的工艺流程，技术特征，指出，其存在的问题，提出相应的对策。
Process, technical characteristics of sewage treatment using CASS were described, pointed out its problems, proposed appropriate measures.
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