.................................................304.3.3实验室消防联动系统工作过程.....................................................315、防烟排烟技术..................................................................................................325.1烟气的性质与危害...................................................................................325.1.1火灾烟气的产生.............................................................................325.1.2烟气的基本状态参数.....................................................................335.1.3烟的浓度.........................................................................................345.1.4烟气的危害.....................................................................................355.2烟气的流动特性.......................................................................................37