GB 50243-2016 第10.2.4条
| **** | The insulation layer at duct flange locations shall be treated separately, with a thickness not less than 80% of the duct insulation thickness, and shall be tight and smooth to prevent thermal bridging. |
| **** | The insulation layer at duct flange locations shall be treated separately, with a thickness not less than 80% of the duct insulation thickness, and shall be tight and smooth to prevent thermal bridging. |
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