national standard

US 
UK 
  • un.国家标准
  • Web国标;国家标准品;国家标号
un.
1.
国家标准

Sample Sentence

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