INDUSTRY|mechanical engineering
- cóimheas crapthachta Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- contraction ratio
- en
- Sainmhíniú the ratio of the cross-sectional area at the beginning of the contraction to that at its end Tagairt Multilingual Aeronautical Dictionary(AGARD,1980)