The four days of Exhibition will display advanced technology and equipments of environmental protection, like clean coal products, sewage disposal and garbage utilization technology.
为期四天的展会将展示先进的环保技术与设备，如清洁的煤炭产品、污水处理和垃圾利用技术。
Through the examples of sludge utilization in a sewage treatment plant, the disposal and utilization of sludge in urban sewage treatment is discussed.
通过介绍某污水处理厂污泥的利用实例，探讨在城市污水处理中污泥的处置和利用方法。
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