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| 81. | over-road noise barrier |
| 高架式隔音屏障 |
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| 82. | noise deadening |
| 吸音, 隔音, 消音 |
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| 83. | acoustical duct lining |
| 风道隔音衬里 |
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| 84. | the sound insulation equipment in the concert hall was imported from the US. |
| 音乐厅的隔音设备是从美国进口的。 |
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| 85. | insulation insulation space |
| 绝缘处所 |
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| 86. | noise barrier programme |
| 隔音屏障设置计划 |
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| 87. | "prefabricated architectural walls and finishes (screens, sound barriers and retaining walls) [public |
| 加工前建筑墙壁及批荡（隔板、隔音屏障及挡土墙）〔公共工程类别〕 |
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| 88. | acoustical tile |
| 隔音砖|吸声砖 |
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| 89. | insulation paneling, insulation wall |
| [蒸箱或烘房的]绝热墙板 |
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| 90. | sound insulating or absorbing mineral material (excl. asbestos and minerally bound vegetable materials |
| 矿物材料,隔音或吸音的（不包括石棉和用矿物粘合的材料）及其制品 |
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