检查自动给水系统的止回阀，截止阀等各阀是否正确开启或关闭。
Examine the check valve, cut off valve of auto water supplying system see if open or close correct.
分析了自动恒压控制给水系统中，不同控制点形式下的管网压力，系统能耗及水泵工况，并得出一些结论。
This paper discussed net pressure of water supply, energy consumption and pump performance of different pressure control point in automatic regulation device of constant pressure water supply system.
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