The intermittent supply mode in water supply system will lead to negative pressure in the main pipe, and the same phenomenon also exists in long downcomers of elevated basin (reservoir).
供水系统间歇式供水方式会造成主管道内部产生负压，高位水池(水库)供水管道很长时也容易产生负压。
This paper studied and summarized the water supply mode based on the research of characteristic and constitution of fire hydrant system.
本论文在介绍消火栓系统的组成、特点的基础上，分析研究总结了消火栓系统的给水方式。
The system can replace the traditional water supply mode, not only convenient and flexible in control, but also a high water tower or add to press directly of the pump system etc;
用该系统实行恒压供水取代传统的供水方式，不仅控制方便、灵活，还可省去高位水塔或直接加压的泵系统等；
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