We did consider a heat recovery ventilation system, a box and pipes that bring in fresh air.

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。

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The fin-like appendage on the helmet houses a forced ventilation fan, which blows fresh air over the technician's face to relieve perspiration.

头盔装具上的鳍状物附属物为强制通风片，能够向拆弹专家的面部输送新鲜空气以便排除汗水。

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The ground is cold and moist, with the chill factor amplified by ventilation fans used to blow fresh air into the mine, and the sprinkler that keep the coal dust down.

因为有通风设备往里面输送新鲜空气，还有洒水器不断地给煤浇水以降温，所以地下既阴冷又潮湿。

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And if the air feels a little fresher at Kohl's, that's because newer buildings feature fresh-air ventilation and no smoking within 25 feet of the entrance.

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Current HVAC systems get rid of stale, germ-ridden indoor air by cooling or heating fresh outdoor air and blowing it through ventilation ducts, a process that gobbles electricity.

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Though it was intended as a temporary shelter, its amenities were impressive: some 600 above-ground doors from which someone can enter the underground city from, 15, 000 ventilation ducts to provide fresh air, as well as multiple wineries, cellars and a complex network of passages, tunnels, and corridors.

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