城市污水处理设备，采用的工艺流程主要包括机械处理、生化处理(水线)、污泥处理等工段。属于二级处理系统。
通过分析城市污水处理设备应用中存在的问题，提出了改进其性能的一些措施。
The questions of municipal sewage treatment equipments inapplications were analysed. Some measures that will improve its performance were put forward.
对于小型城市来说，该设备相对于污水处理厂造价更为低廉，更节能。
The devices are a cheaper, energy-efficient alternative to treatment plants for small municipalities.
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