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c.a.
abbr., met.	cemento armato
abbr., tech.	colonna d’acqua
construct.	calcestruzzo armato (spanishru)
C.A.
abbr.	alla cortese attenzione (spanishru)
abbr., chem.	corrente alternata
C.-A.
abbr., tech.	chiuso-aperto

c.a: 1 phrase in 1 subject

Abbreviation

1