高层建筑火灾时期，通道烟流的温度变化规律是消防工程设计的基础。

During a high rise building fire, the rule of change in smoke temperature is the basis of fire engineering design.

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高层建筑火灾时期，通道烟流的温度变化规律是消防工程设计的基础。

During a high rise building fire, the rule of change in smoke temperature is the basis of fire engineering design.

youdao