In-car air circulation system can't entirely clean up dirty air lingering in cabins.

车内空气循环系统不能彻底地清除逗留在车内的污浊空气。

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Hot air circulation system consists of the fan and suitable air duct which could continuous work even in high temperature o.

热风循环系统由能在高温下连续运转的风机和合适风道而成。

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A microbicidal facemask (24) and a microbicidal air filter (10) used in an air circulation system (40) using the immobilization network (12) are disclosed.

公开了在使用固定网(12)的空气循环系统(40)中所使用的杀微生物面罩(24)和杀微生物空气过滤器(10)。

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The entire floor and ceiling of this building are parts of an air circulation system that works very hard and makes noise enough to prove it.

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Complementing the pressurization system is a 100% fresh air circulation capability.

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