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What does it mean to supply water by stages in secondary pumping stations?
1 Lou's answer is really. . . Graded water supply refers to changing the water delivery capacity of pumping stations to meet the water consumption of users in different periods. Half of them are divided into two levels. The first stage is from 6: 00 to 22: 00, with large water consumption and large water supply. The second stage is from 22:00 to 6:00 the next day, with less water consumption and water supply. The specific proportion of water supply at all levels needs to be determined according to the specific situation.
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