NFPA 92B 商业街、中庭和大空间的烟气控制导则
日期:2012-02-09 14:25
1.1.2 The algebraic approaches to smoke management contained in this standard assume either that the smoke removal will be by mechanical means or that the smoke will fill the large space.
Protect the public with effective smoke control using 2009 NFPA 92B Smoke Management Systems in Malls, Atria, and Large Spaces.
Follow NFPA 92B's up-to-date technical requirements relevant to the design, installation, testing, operation, and maintenance of new and retrofitted smoke management systems in buil
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