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单词 central air conditioning
释义

Definition of central air conditioning in English:

central air conditioning

noun

  • Air conditioning of multiple rooms in a building by a single air conditioning unit, typically using a series of ducts (frequently attributive).

Origin

1920s; earliest use found in U.S. Patents.

Definition of central air conditioning in US English:

central air conditioning

noun

  • Air conditioning of multiple rooms in a building by a single air conditioning unit, typically using a series of ducts (frequently attributive).

Origin

1920s; earliest use found in U.S. Patents.
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更新时间：2024/11/8 21:09:28