Unverified88% confidenceDecision RuleTime unknown
卷帘尺寸定制的关键是面料宽度比支架安装宽度小约3-3.5cm（内装时），测量误差需控制在±0.5cm内；下单时务必确认商家标注的是‘成品宽’还是‘洞口宽’，二者混淆是漏光和卡顿的主因
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88%
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Long-term
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Unverified定制尺寸需注意：内嵌款成品宽度通常比测量窗内宽小10-15mm留出运行间隙，因此边缘会有漏光，对遮光敏感区域应改外装或加宽外装尺寸覆盖窗框88% similarUnverified定制百叶帘测量误差控制：内嵌安装成品宽度应比窗洞实测小0.5-1cm避免卡窗，外挂则每边多留5cm以上盖住漏光；建议同一窗洞多点测量取最小值，老房窗洞常不方正88% similarUnverified测量内嵌安装尺寸时需在窗框内上中下三处分别量宽度取最小值，并减2-4mm留活动间隙；外装则按需遮盖面积加宽，宁大勿小以保证遮光87% similarUnverified定制百叶通常需预留窗框尺寸误差：内嵌安装成品宽度比实测窗框内宽小0.5-1cm，外装宽度比窗口每侧多5-8cm以保证遮挡85% similarUnverified定制尺寸测量：内嵌安装（装在窗洞内）宽度应减1-2cm留缝，会牺牲侧边遮光；外挂安装（装在墙面/窗框外）宽度每边加宽10-15cm、上方加高10-20cm才能有效遮挡漏光，全遮光务必选外挂85% similar
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