411 REFERENCE · Wiktionary
O形環
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Chinese
O形环
Pronunciation
ōu-xínghuán,py=O-xínghuán n
Noun
zh noun
O-ring
Today's editionIndia · World · Your city
Sourced news from India & the world
Every story, the full picture
Public archive edition · Attributed source reporting with original dates · AI drafts are excluded