单词	O ring seal
释义	O ring seal O形圈密封
随便看	nonstandard number non-standard omission non-standard operating condition nonstandard part approval non-standard parts non-standard plug gauge nonstandard power supply nonstandard pressure parts nonstandard probability computation non-standard probability computation nonstandard procedure nonstandard product nonstandard production nonstandard propagation non-standard propagation nonstandard quantifier non-standard quantifier non-standard rail nonstandard real number non-standards nonstandards non-standard series nonstandard size non-standard speech non-standard speeches 肮肮3 肯肯1 肯3 肯4 肯堂肯构肯构肯堂肰肱 50449 50450 50451 50452 50453 50454 50455 50456 50457 50458