The rale produced when air passes through mucus-clogged bronchioles.

空气经过黏液阻塞的细支气管时会发生水泡音。

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The rale produced when air passes through mucus-clogged bronchioles.

空气经过粘液阻塞的细支气管时会发生水泡音。

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After the compressed air passes to run 10 ~ 20 minutes to check whether there are drainage automatic drainer.

通入压缩空气后运行10 ~ 20分钟检查自动排水器是否有排水。

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The shape of a snow crystal may change from one form to another as the crystal passes through levels of air with different temperatures.

VOA: special.2010.01.05

The recirculated air usually passes through high-efficiency particulate (HEPA) filters before delivery into the cabin.

CNN: Commentary: Flu and your health on a plane

This creates a jet of hot air which passes over an airfoil-shaped ramp channelling its direction.

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Appealing to frequent travelers, the Acer C7 Chromebook also enables users to get online at 30, 000 feet with free Gogo in-air internet passes.

ENGADGET: Acer unveils C7 Chromebook, portable cloud computing for just $199