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单词 air cock
释义

Definition of air cock in English:

air cock

noun
Engineering
  • A stopcock for letting air out or in.

Origin

Early 18th century; earliest use found in Francis Hauksbee (bap. 1660, d. 1713), natural philosopher and scientific instrument maker.

Definition of air cock in US English:

air cock

noun
Engineering
  • A stopcock for letting air out or in.

Origin

Early 18th century; earliest use found in Francis Hauksbee (bap. 1660, d. 1713), natural philosopher and scientific instrument maker.

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更新时间:2025/7/4 20:21:50