pfd

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UK 
  • Web工艺流程图(process flow diagram);鉴频鉴相器(Phase Frequency Detector);主飞行显示器(Primary Flight Display)

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard