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sound-power level | |||
sound power level | |||
acoustic power level | |||
LwA (sound power level crockodile) |
уровень звуковой мощности : 12 phrases in 7 subjects |
Electronics | 4 |
Energy industry | 1 |
Makarov | 1 |
Mass media | 1 |
Pumps | 1 |
Technology | 2 |
Ventilation | 2 |