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| 31. | insulation against solid-borne sound |
| 固体声隔声 |
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| 32. | All the bedrooms are sound - proof . |
| 所有卧室都经过隔音处理。 |
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| 33. | insulation of impact sound |
| 撞击声的隔声 |
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| 34. | sound insulation standards for dwellings |
| 居住建筑隔声标准 |
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| 35. | impact sound insulation measurement |
| 冲击声隔离测量 |
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| 36. | sound insulation for buildings |
| 建筑隔声 |
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| 37. | measurement of sound insulation |
| 隔声测量 |
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| 38. | insulation against air-borne sound |
| 空气声隔声 |
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| 39. | sound insulation of building |
| 建筑物隔声 |
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| 40. | The workmen built this room sound-proof. |
| 工人们将这间屋子建成隔音的。 |
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