material system

US 
UK 
  • un.物质系统
  • Web材料系统;材料体系;物料流动系统
un.
1.
物质系统

Sample Sentence

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