protective barrier

US 
UK 
  • un.防护屏障;防护障
  • Web防护栏障;防护屏蔽层;保护性防水
un.
1.
防护屏障
2.
防护障

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