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GB 50189-2015 第3.2.2条 Design standard for energy efficiency of public buildings

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GB 50189-2015 第3.2.2条

| **** | **Window-to-wall area ratio**: The window-to-wall area ratio for each orientation shall comply with: north ≤0.30, east and west ≤0.35, south ≤0.50. Where exceeded, a trade-off assessment is required. |

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