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| 声透射系数 | |||
| 声音透射系数; 声音传播系数; 透声系数; 传声系数 | |||
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| 透声系数; 声音传播系数 | |||
| English thesaurus | |||
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| STC | |||
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sound transmission coefficient : 3 phrases in 1 subject |
| Technology | 3 |
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