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文章介绍了哈尔滨市供水四厂配水泵站泵可根据不同变化的用水负荷串级调速配水 ,既保障了供水 ,又节约了能源。
The article describes that the pump of the water supply station of Harbin No. 4 Plant can be cascaded with water according to different changes in water consumption, which ensures water supply and saves energy.