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sound density | |||
energy density of sound | |||
sound energy density | |||
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sound-proof | |||
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soundproof |
Schalldichte: 14 phrases in 8 subjects |
Construction | 4 |
Earth sciences | 1 |
Economy | 1 |
General | 4 |
Health care | 1 |
Industry | 1 |
Natural resourses and wildlife conservation | 1 |
Technology | 1 |