Unverified78% confidenceDecision RuleTime unknown
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
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Unverified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91% 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90% similarUnverified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88% similarUnverified尺寸定制注意区分内装（装窗洞内）和外装（装墙面/窗框上方）：内装要精确测量窗洞并预留1-2cm安装间隙，测大了装不进；遮光需求高应选外装并两侧各多出5-8cm挡光88% similarUnverified尺寸测量时内嵌安装（窗洞内）需比窗洞尺寸小1-2cm留活动间隙，外挂安装需比窗户两侧各多10cm、上方多15cm以增强遮光遮挡效果88% similar
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