air interchanger

基本解释

Analyze the air interchanger's economy.
对换气机的节能性进行了分析。
The utility model provides an automatic air interchanger for trains, which can suck air and can supply air, can prevent rain and dust, and has no rotors.
本实用新型提供了一种既可抽气又可送风，既防雨防尘、又无转动件的列车自动换气器。
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Automatic fins-former is a mechanical device which can continuously form the aluminum foil volume material into louvers undulation fins used in the automobile air conditioning heat interchanger.
翅片成形机可将铝箔卷材连续地加工成形，为用于汽车空调热交换器中带百叶窗的波状翅片，并将成形后的翅片按所需波峰数切断，整个加工过程均为自动化生产。