分层加压递风烟气控制系统在澳大利亚，分层烟气控制系统在多层建筑中得到了广泛的应用，火灾试验证明，这种方式防烟效果好，基本投资少，是一种很受欢迎的烟气控制方式。以前，澳大利亚并不太重视多层建筑的烟气控制系统，旧的建筑防火规范强调防止烟气通过中央空调系统... Stratified pressurized delivery of flue gas control system In Australia, stratified flue gas control system has been widely used in multi-storey building, the fire test proved that this method has good anti-smoking effect, the basic investment is small, is a very Popular smoke control. In the past, Australia did not pay much attention to the flue gas control system in multi-storey buildings, and the old building fire protection code emphasizes preventing smoke from passing through the central air-conditioning system.