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| 吸声贴砖; 隔声板砖面; 隔声板 | |||
| 吸音砖; 吸音板; 吸声砖; 吸声瓦 (板); 吸声贴砖; 吸声面砖; 吸声板; 隔音贴砖; 隔音墙面砖 | |||
| acoustic tile: 22 phrases in 1 subject |
| Technology | 22 |
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