单词	weighting note
释义	weighting note 货运重量单
随便看	signal subspace tracking signal subspaee Signal substance signal substances change signal success signal supervisory circuit signal supervisory control signal supervisory frame Signal Supply Agency signal support Signal Support Agency signal suppression signals visible in camera viewfinder Signals Warfare Center Signals Warfare Laboratory signal sweep rate signal swing signal swing voltage signal switch signal switching Signal Switching System signal symbol signal symptom signal synchronization signal synchronizing system