... air handling ducting 管道通风 air-ducting arrangement 通风道配置 air-conditioning ducting 空调管系 ...
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在管道通风系统中的湍流区内，震荡波动的阻力气压与推力气压之间的关系已被阐述。
The relationship between the fluctuating drag and lift pressures in the turbulent area within a flow duct is given.
科学家表示：研究证实了蚂蚁建造特殊结构的通风管道和将土挖掘到别处是完全不一样，那是另一个蚂蚁类物种的技术。
The scientists said the research confirmed that ventilation turrets were 'built structures' as opposed to passive deposition of excavated soil, a technique used by other ant species.
我们的确曾经考虑过热回收通风系统，用一个机箱和一些管道引入新鲜空气。
We did consider a heat recovery ventilation system, a box and pipes that bring in fresh air.
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