Residential construction: more than 100 meters above the height, heat preservation material combustion performance should be a level.
住宅建筑：建筑高度大于100米以上，保温材料的燃烧性能应为A级。
Residential construction: more than 100 meters above the height, heat preservation material combustion performance should be a level.
住宅建筑：建筑高度大于100米以上，保温材料的燃烧性能应为A级。
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