unidad de copia de seguridad
/ˌuniðˈad ðe ˈkopja ðe sˌeɣuɾiðˈad/
n
English: backup storage unit · 备份存储单元
Significado：Storage peripheral used to copy data onto a removable medium to facilitate retrieval in the event of loss.
English: backup storage unit · 备份存储单元