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ventilation exhaustive | |||
aérage aspirant; ventilation par aspiration | |||
aérage aspirant ventilation aspirante |
exhaust ventilation : 22 phrases in 8 subjects |
Coal | 3 |
Construction | 1 |
Industry | 1 |
Mechanic engineering | 8 |
Municipal planning | 4 |
Natural sciences | 3 |
Nuclear physics | 1 |
Transport | 1 |