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。
In this research, the earthworms soil bed was regarded as an experiment equipment of sewage disposal.
本研究将蚯蚓——土壤床作为污水处理的一种试验装置。
The technology process of the sewage disposal field, the outline of its equipment and the engineering features are introduced.
介绍污水处理场的工艺流程、设备概况和工程特点。
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