单词	air bearing
释义	air bearing noun : a bearing that uses pressurized air to eliminate contact and friction between the bearing and the surface of the object being supported or held in place Air bearings are particularly effective for high rotational speeds and have run at up to 360,000 revs per minute … Frank Fahy, Air: The Excellent Canopy, 2009 Word History First Known Use 1903, in the meaning defined above
随便看	postal savings bank postal service postal stationery postal storage car postal tax stamp postal union rufous-tailed hummingbird rufter rufter hood rufus rug rug brick rug gown rug rat rug rats rug-cutter rug-cutting ruga rugae rugalach rugate rugated Rugbeian rugbies rugby

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