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| English | Russian |
| total floor area | общая площадь пола |
| total projected floor area | общая проектная площадь (When the total projected floor area of the item involved is accounted for, the maximum rate of heat output and the total heat energy released per unit area by ... | the figure obtained when the total projected floor area of all storeys and attics of the principal building and all accessory buildings is divided by the site area. Alexander Demidov) |