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sound-conduction; sound conduction; sound transmission | |||
sound transmission | |||
sound conductivity; acoustic conduction |
звукопроводимость : 13 phrases in 6 subjects |
Acoustics | 1 |
Makarov | 1 |
Medical | 4 |
Occupational health & safety | 2 |
Physics | 2 |
Technology | 3 |