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Canton Fair-China Import and Export Commodities Fair

2020-05-21

Canton Fair-China Import and Export Commodities Fair

The China Import and Export Fair (English: The China Import and Export Fair) is the Guangzhou Fair, referred to as the Canton Fair, and the English name is Canton fair.

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The China Import and Export Fair (English: The China Import and Export Fair) is the Guangzhou Fair, referred to as the Canton Fair, and the English name is Canton fair.

The Necessity of Installing Fresh Air System for Central Air Conditioning-Design Specification for Central Air Conditioning Fresh Air System

2011-10-17

The Necessity of Installing Fresh Air System for Central Air Conditioning-Design Specification for Central Air Conditioning Fresh Air System

Central air conditioners are mainly used for cooling and heating. The central fresh air system is mainly used to ventilate the room. Now many central air conditioners have fresh air systems, but this is not "fresh air" in the strict sense. It can only be called "wind" at best. .

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Central air conditioners are mainly used for cooling and heating. The central fresh air system is mainly used to ventilate the room. Now many central air conditioners have fresh air systems, but this is not "fresh air" in the strict sense. It can only be called "wind" at best. .

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