阐述了消火栓按钮在消防联动控制系统中的三种作用，重点探讨了它的直接启泵功能。
Three functions of fire hydrant buttons in fire fighting joint control system are discussed and direct pump start is highlighted.
阐述了消火栓按钮在消防联动控制系统中的三种作用，重点探讨了它的直接启泵功能。
Three functions of fire hydrant buttons in fire fighting joint control system are discussed and direct pump start is highlighted.
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