防火窗是指在一定时间内，连同框架能满足耐火稳定性和耐火完整性要求的窗。在防火间距不足的两建筑物外墙上，或在被防火墙分隔的空间之间，需要采光和通风时，应当采用防火窗。
... 防火卷帘 Fire resisting Shutter 防火窗 Fire resisting window 防火阀 Fire resieting damper ...
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因此被大量应用于幕墙、防火隔墙、防火隔断、防火窗、防火门等方面。
So it is applied in many places, such as outside wall, fire-resistent partition, fire-resistant window, door and so on.
门窗设计：主要有钢质防火门、铝合金窗及百叶窗。
The door and window are designed as steel fire protective door, aluminum alloy window and shutter.
联大是一家专业生产管状电机的制造企业，其产品广泛用于家用或商用的卷帘门，遮阳蓬，车库门，防火门，百叶窗和投影幕等设施。
LianDa is a Company specializing in tubular motors for shutters, awnings, garage doors, fire shutters, blinds and screens userd in home and buildings.
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