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| 21. | sound-proof tile |
| 隔音砖 |
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| 22. | sound isolation requirement |
| 隔音要求 |
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| 23. | soundproofing enclosure |
| 隔音围墙 |
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| 24. | a protective screen; a shield; a shelter; a barrier |
| 屏障 |
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| 25. | sound proof camera |
| 隔音电影摄影机 |
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| 26. | window isolation |
| 隔音窗户 |
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| 27. | rubber slab for noise deadening |
| 隔音橡胶板 |
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| 28. | acoustical construction |
| 隔音构造 |
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| 29. | deadening fabric |
| 隔音布 |
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| 30. | This roon is insulated against noise. |
| 这个房间隔音。 |
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