It is the acronym of Alternate Current.
Is the spanish acronym of Acumulador de Carga Rápida. Rapid charge accumulator.
Automatic Dropping Device
Air Generation and Treatment Unit
Acceptable Index of Precursors
Include the expenses for support staff (structure) and expenses not directly payable between projects are recorded.
European National Security Authorities
Auxiliary Power Supply
Automatic Run Registration
It is the acronym in Spanish of Anuncio de Señales y Freno Automático. Signal announcement and automatic brake.