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【Daily Question】Utilities - Water Supply and Drainage - 20190117

2019-01-17View Original

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Urban water supply pipelines have many users connected to them via main lines and distribution branches; water is distributed along these pipelines, and the usage patterns are complex, making it difficult to calculate the network parameters based on actual water consumption. Therefore, simplifications are often made during calculations, namely by assuming that the water usage is evenly distributed across all main pipes; the flow rate per unit length of these main pipes is then referred to as (). a、Net flow rate b、Specific flow rate c、Average flow rate d、Equivalent flow rate Answer: b

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