periodic maintenance

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

Sample Sentence

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