![unavailability造句怎么写]( "unavailability造句怎么写")
- Unplannedenergyunavailability(UEU)Nowtheseareavailabilityandunavailability.VODservicequalitycan,asfortelephony,beexpressedintermsofblockingorserviceunavailability.Thousandsofpeopledieeveryyearbecauseoftheunavailabilityofhumanorgansfortransplantation....
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