| 单词 | central air conditioning |
| 释义 | > as lemmascentral air conditioning central air conditioning n. air conditioning of multiple rooms in a building by a single air conditioning unit, typically using a series of ducts (frequently attributive); (also) a system or facility capable of performing this. ΘΚΠ the world > physical sensation > cleanness and dirtiness > freedom from impurities > removal of impurities > ventilation and air-conditioning > [noun] ventilation1664 ventilating1743 air conditioning1909 central air conditioning1923 central air1955 AC1962 air-con1970 air1974 1923 U.S. Patent 1,455,846 1/2 B represents a central air conditioning or humidifying apparatus adapted to supply conditioned air for delivery to the several rooms or stories of the building. 1952 Economist 18 Oct. 164/2 Some [housing contractors] declared that in a few years no house in the price range above $15,000 will be constructed without central air conditioning. 1973 Pop. Sci. May 43/1 Most central air conditioning systems are designed to do the same job. Cool your house. 2009 Globe (Atchison, Kansas) 10 June 11 Almost two-thirds of those who had a repair said their central air conditioning broke down for a day. < as lemmas |
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