Unverified85% confidenceDecision RuleTime unknown

卧室或卫生间入口需要遮挡视线时，选高密度植绒或加涂层遮光布（遮光率≥85%）；普通棉麻仅能遮光30-50%，逆光下仍能看清人影轮廓

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Unverified卧室遮光建议选全遮光率≥90%的面料，医用级/五级遮光可达99%；客厅选70%-85%半遮光即可，保留通透感又不刺眼88% similar Unverified遮光率分级：一级遮光率≥99%（全遮光，适合卧室/影音室），二级85-99%（半遮光，客厅），布料需选涂层三层遮光布，普通厚窗帘布只能达60-80%85% similar

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