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air defense

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  • un.防空
  • Web空中防御奖章;对空防御;空中防御勳表
un.
1.
防空,对空防御

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