GB 50034-2013 第4.1.4条
| **** | Unified Glare Rating (UGR) limits: reading rooms, offices, etc. ≤19; guest rooms, restaurants, etc. ≤22. |
| **** | Unified Glare Rating (UGR) limits: reading rooms, offices, etc. ≤19; guest rooms, restaurants, etc. ≤22. |
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