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Unverified85% confidenceDecision RuleTime unknown

选购时门帘尺寸应比实际门洞宽3-5cm、高2-3cm，留出重叠余量保证闭合，尺寸买小会导致边缘漏缝

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Unverified测量门洞后帘子宽度应比门框实际宽度大3-5cm、高度大2-3cm，留出重叠量，否则边缘无法贴合门框会漏缝93% similar Unverified门帘宽度应比门洞实际宽度大15-30cm（每侧留7-15cm），确保帘布自然褶皱下垂后仍能完全遮盖门洞两侧缝隙；宽度不足会导致漏风、漏光和视觉空隙91% similar Unverified门帘宽度应比门框实际宽度大10-20cm，让两侧各多出5-10cm重叠，避免侧漏光和边缘缝隙暴露室内；高度需比门洞长3-5cm，落地时才能完全遮蔽91% similar Unverified门帘宽度应比门框实际宽度大10-20cm，高度需比门框高5-10cm，确保帘子自然下垂时能完全遮盖门洞两侧缝隙，避免露光露缝90% similar Unverified购买前须测量门洞净宽并让帘宽为门洞的1.5-2倍以保证褶皱垂感，帘宽等于门洞宽会显得干瘪且遮挡不严90% similar

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