a smoke exhaust 排油机
smoke exhaust way 排烟方式
smoke exhaust fan 排烟风机
smoke exhaust speed 排烟风速
smoke exhaust system 机械排烟系统
The smoke layer can been in definite height and not descend when the smoke exhaust rate is larger than that of generating smoke.
当中庭排烟速率大于或等于产烟速率时，烟气层就能够保持在一定高度上不降下来。
参考来源 - 中庭式大空间建筑火灾探测与排烟智能控制系统研究The maximum heat exchange efficiency of the boiler was about 99%, the smoke exhaust temperature was very low, and some water vapor coagulated.
燃气炉的最高换热效率约为99%,排烟温度很低,部分水蒸汽凝结。
参考来源 - 渐变型多孔介质燃烧器的研究与开发·2,447,543篇论文数据，部分数据来源于NoteExpress
Air terminals buildings adopt air supply tower, floor exhaust grillage and smoke exhausting skylight controlled by infrared detector.
候机楼采用了地面送风亭射流送风方式、地面排风方式及红外线对射探测器控制的排烟天窗。
Outlines the design of smoke exhaust .
介绍防排烟系统的设计特点；
The smoke exhaust efficiency of example was analyzed.
结合实例结果，对排烟效率进行了分析。
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