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【Daily Question】Utilities - Water Supply and Drainage - 20200209

2020-02-09View Original

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An internal separated domestic wastewater system in a building refers to (   ). A. Domestic wastewater and roof rainwater are discharged outside the building separately. B. Domestic sewage and roof rainwater are discharged outside the building separately. C. Domestic sewage and domestic wastewater are discharged outside the building separately. D. Domestic wastewater and roof rainwater are discharged outside the building separately. Answer: C

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