energy efficiency

US 
UK 
  • un.能效率;能量效率
  • Web能源效率;节能;能源效益
un.
1.
能效率
2.
能量效率

Sample Sentence

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