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| combined sewer system A sewer intended to serve as a sanitary sewer and a storm sewer, or as an industrial sewer and a storm sewer (一种作为排放清洁污水和雨水，或排放工业污水和雨水的下水道。) | |||
| combined sewerage system | |||
| combined drainage system; combined sewage; combined sewage system | |||
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