“natural smoke exhaust”的概念、定义、翻译、参考文献-科学参考

单词	natural smoke exhaust
释义	natural smoke exhaust Encyclopedia 工学防排烟技术释 natural smoke exhaust自然排烟利用火灾产生高温烟气的浮力作用和外部风力的作用，通过建筑物的对外开口，把烟气排至室外的排烟方式，其实质是热烟气和冷空气的对流运动。
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