<跨度风格= “字体大小：12磅;”> <强>湿管喷水灭火系统 是最常见的灭火系统的。  In a wet-pipe system, either the water supplied by the municipality or the water supplied from a fire pumping station provides constant pressure for the system.  When a sprinkler in this system is activated through melting of its fusible link, water is immediately discharged onto the fire.  Water will flow until the fire is extinguished and until the fire marshal shuts off the water supply.