NFPA 92 控烟系统标准 (2012版)
日期:2017-08-08 09:18
nhibitsmoke from entering stairwells, means of egress, smoke refuge areas, elevatorshafts, or similar areas
（2）在要求疏散时间内，维持避烟场所和疏散设施的环境可耐受。
Maintaina tenable environment in smoke refuge areas and means of egress during the time required for evacuation
（3）防止有烟区域中烟气向外部扩散；
Inhibitthe migration of smoke from the smoke zone
（4）在有烟区外建立可使应急人员进行搜救操作并定位及控制火灾的条件；
Provideconditions outside the smoke zone that enable emergency respon
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