Unverified82% confidenceTradeoffTime unknown
前挡遮阳帘的遮阳率与折叠后收纳厚度成正比，铝箔+泡棉复合层隔热效果好但折叠后厚度可达8-10cm占用后备箱，伞式收纳型可缩至直径30cm圆盘但隔热略逊
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82%
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