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| 通风顶; 采光通风屋顶 | |||
| 采光屋顶; 带天窗屋顶; 横向天窗屋顶; 顶窗; 采光通风的部分屋顶; 采光; 有天窗、气楼的屋顶 | |||
| monitor roof: 4 phrases in 1 subject |
| Technology | 4 |
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