Unverified90% confidenceDecision RuleTime unknown

轨道长度需比窗户实际宽度每侧多出15-20cm（共30-40cm），高度落地帘离地1-2cm、飘窗帘压窗台2-3cm；测量不留富余量会导致边缘漏光和视觉压缩

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Unverified窗帘宽度应为窗户或轨道实际宽度的1.8-2.5倍（褶皱倍数），倍数不足会导致平铺时漏光、侧边缝隙进光；遮光需求高时取2.0倍以上并让帘布左右各超出窗框15-20cm90% similar Unverified窗帘成品宽度应为窗户（或轨道）宽度的1.8-2倍才能形成饱满褶皱，高度需实测轨道到地面距离，落地留2-3cm、飘窗盖住台面即可90% similar Unverified窗帘宽度需按窗框实际宽度乘以褶皱倍数计算：轻薄褶皱1.8-2倍，普通2倍，高级饱满感2.5倍；高度需在窗框顶部上方15-20cm安装并落地或离地1cm防漏光88% similar

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