| 单词 | disc valve |
| 释义 | Definition of disc valve in English:disc valve(US disk valve) noun Mechanics
OriginMid 19th century; earliest use found in Repertory Patent Inventions. Definition of disc valve in US English:disc valve(US disk valve) noun Mechanics
OriginMid 19th century; earliest use found in Repertory Patent Inventions. |
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