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单词 pop valve
释义

Definition of pop valve in English:

pop valve

noun

  • (In a steam engine) a spring-loaded safety valve designed to open or close very rapidly at a predetermined pressure.

Origin

Late 19th century; earliest use found in Buyers' Guide & Mechanics' Manual.

Definition of pop valve in US English:

pop valve

noun

  • (In a steam engine) a spring-loaded safety valve designed to open or close very rapidly at a predetermined pressure.

Origin

Late 19th century; earliest use found in Buyers' Guide & Mechanics' Manual.
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更新时间：2025/7/4 17:21:34