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compression ratio
chem.	rapporte di compressione
earth.sc.	coefficiente di compressibilità
earth.sc., mech.eng.	rapporto di compressione
transp., industr.	rapporto volumetrico di compressione
English thesaurus
compression ratio
abbr., oil	c.r.
abbr., polym.	compr.r.
tech., abbr.	comp.r.

compression ratio : 2 phrases in 2 subjects

Antennas and waveguides	1
Video recording	1