air register

[′er ‚rej·ə·stər] (engineering) A device attached to an air-distributing duct for the purpose of controlling the discharge of air into the space to be heated, cooled, or ventilated.

register

supply register 1. A grille having a damper, 1 for regulating the quantity of air passing through it. 2. A list of buildings, constructions, objects, or sites that are of historic local, state, provincial, or national interest. Such lists are maintained by designated governmental agencies.

单词	air register
释义	DictionarySeeregister air register air register [′er ‚rej·ə·stər] (engineering) A device attached to an air-distributing duct for the purpose of controlling the discharge of air into the space to be heated, cooled, or ventilated. register supply register 1. A grille having a damper, 1 for regulating the quantity of air passing through it. 2. A list of buildings, constructions, objects, or sites that are of historic local, state, provincial, or national interest. Such lists are maintained by designated governmental agencies.
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