英语词汇“piston ring set”的翻译、意思、用法、释义-英汉汉英词典

单词	piston ring set
释义	piston ring set成副活塞環機械工程
随便看	upper platform upper plenum upper point of accumulation upper polar upper polar--upper pole nucleus upper pole nucleus upper pole nucleus;upper polar upper pool upper postclavicle upper print line upper punch upper quadrant upper quadrant semaphore signal upper quarter length upper quartile upper quartile method upper range value upper ranks upper reach upper reference point upper regions upper reservoir upper respiratory upper respiratory infection 上呼吸道感染 upper respiratory tract