| 单词 | pump barrel |
| 释义 | Definition of pump barrel in English:pump barrelnoun
OriginEarly 18th century; earliest use found in John Desaguliers (1683–1744), natural philosopher and engineer. Definition of pump barrel in US English:pump barrelnoun
OriginEarly 18th century; earliest use found in John Desaguliers (1683–1744), natural philosopher and engineer. |
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