| 单词 | air cock |
| 释义 | Definition of air cock in English:air cocknoun Engineering
OriginEarly 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 cocknoun Engineering
OriginEarly 18th century; earliest use found in Francis Hauksbee (bap. 1660, d. 1713), natural philosopher and scientific instrument maker. |
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