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| 吸声隔声空心砖顶棚 | |||
| 吸声空心砖天花板; 吸声空心砖顶篷; 隔音空心砖天花板; 隔音空心砖顶篷 | |||
| absorbing tile ceiling: 4 phrases in 2 subjects |
| Architecture | 2 |
| Technology | 2 |
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