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absorption phonique; atténuation acoustique; absorption des bruits; absorption des sons | |||
absorption du son | |||
absorption acoustique |
звукопоглощение: 11 phrases in 6 subjects |
Acoustics | 1 |
Astronautics | 1 |
Aviation | 1 |
Construction | 3 |
Natural resourses and wildlife conservation | 1 |
Technology | 4 |