periodical maintenance

US 
UK 
  • un.定期维护
  • Web定期维修;定期保养;定期养护
un.
1.
定期维护

Sample Sentence

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