Unverified85% confidenceDecision RuleTime unknown

遮光帘+纱帘叠用需用双轨道（罗马杆双杆或双层导轨），单杆无法同时挂两层；订购时确认窗顶到吊顶预留深度≥12cm，否则双轨装不下

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85%

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Long-term

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Unverified厚重高遮光窗帘需配加粗轨道/罗马杆（承重杆），细杆易下垂变形；四米以上宽度应加中间支撑固定点84% similar Unverified跨度超过1.8米时不要用单根免打孔伸缩杆挂帘，中段必然下垂或整体脱落，应改为打孔窗帘杆或在中间增设支撑架83% similar Unverified轨道安装的帘布宽度应为窗宽的1.8-2倍以保证褶皱饱满并减少侧漏，罗马杆安装可放宽到1.5-2倍82% similar Unverified弹力免打孔窗帘杆（顶伸式）适合窗框内侧安装，两端顶在墙面凹槽内，承重通常仅3-8kg，只能挂轻薄纱帘或半帘82% similar

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