Unverified90% confidenceDecision RuleTime unknown
真正全遮光需遮光率≥99%（NRC标准5级），认准布料背面有黑丝或涂层；仅标'高遮光'不标百分比的多为70-85%，卧室睡眠场景至少选95%以上
1
Sources
90%
Confidence
Long-term
Relevance
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First Seen
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