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smoke-proof staircase
释义
smoke-proof staircase
Encyclopedia
工学
疏散楼梯间
释
smoke-proof staircase
防烟楼梯间
为防止火灾时烟和热气进入,在入口处设有防烟的前室、敞开式阳台或凹廊(统称为前室)等设施的楼梯间。通向前室和楼梯间的门均为乙级防火门,以防止火灾时的烟和热气进入的楼梯间。
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photorearrangement
photoreceiver
photoreception
photoreceptor
photoreceptor cell
photo-recombination
photorecombination
photorecon
photoreconnaissance
photoreconversion
photorecorder
photorectifier
photoredox reaction
photoreduce
photoreductant
photoreduction
photorefraction
photorefractive
photorefractive beam-fanning effect
photorefractive crystal
photorefractive crystals
photorefractive effect
photorefractive fanning effect
photorefractive keratectomy
photorefractive keratectomy, PRK
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