关于unavailability的百科

• unavailability造句怎么写

• Unplannedenergyunavailability(UEU)Nowtheseareavailabilityandunavailability.VODservicequalitycan,asfortelephony,beexpressedintermsofblockingorserviceunavailability.Thousandsofpeopledieeveryyearbecauseoftheunavailabilityofhumanorgansfortransplantation....
• 2017-06-0725098