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.
| 单词 | pop valve |
| 释义 | pop valvenoun (In a steam engine) a spring-loaded safety valve designed to open or close very rapidly at a predetermined pressure. Origin |
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