Unverified80% confidenceTradeoffTime unknown
遮光率与透气性存在权衡：三层黑丝涂层衬布遮光近100%但几乎不透气，夏季易在窗帘与衬布间形成闷热层；北方冬季利用此特性可隔冷，南方湿热地区宜选双层透气涂层
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80%
Confidence
Long-term
Relevance
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