“smoke-proof staircase”的概念、定义、翻译、参考文献-科学参考

单词	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。
随便看	rainwater system design rainwater utilization Rainy Day Raipur raise raise boring machine raise-boring method Raised-and-painted Gauze of Western Han Dynasty raised establishment raise driving Raise the Red Lantern raising Raising Havoc in Heaven raising into a symbolic power raising machinery raising of an index Raising of social medical insurance fund raising operator raising rivals’costs raising seedling by sowing raising seedling by transplanting raising system of egg duck on net-floor in closed house raising to a power raising to the third power raising with cage

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