In countries without adequate sewage disposal systems, faeces and articles soiled with faeces may need to be disinfected before disposal.
在没有足够的污水处理系统的国家，可能需要在处置前对粪便和污有粪便的物品进行消毒。
Most of the wet feed preparation systems are composed of water washing equipment, dewatering equipment and sewage disposal system.
湿法备料系统大多由水洗设备、脱水设备和污水处理系统组成。
Most of the wet feed preparation systems are composed of water washing equipment, dewatering equipment and sewage disposal system.
湿法备料系统大多由水洗设备、脱水设备和污水处理系统组成。
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