TRANSPORT · SCIENCE|natural and applied sciences|earth sciences · TRANSPORT|land transport|land transport
- toirt aeir Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
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- air volume
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- Definition the volume of air that would be displaced by a solid body of the same form and size as the outer cover,or envelope,of a lighter-than-air aircraft Reference Multilingual Aeronautical Dictionary(AGARD,1980)