单词	垂直流
释义	垂直流vertical current
随便看	operator presence control operator priority method operator priority order grammar operator priority order language operator privilege class operator process chart operator product expansion operator profile operator programming method operator programming method--opm operator programming method，opm operator protection operator quality control operator register operator request control panel operator request job operator request job，orj operator response field operator ring operators operator's access code operators anomalous dimensions operator's cab operator-- scattering operator schema