Unverified82% confidenceDecision RuleTime unknown
浴帘杆跨度超过1.2m时免打孔伸缩杆易中间下垂脱落，跨度>1.5m建议直接选墙面固定式帘杆
1
Sources
82%
Confidence
Long-term
Relevance
-
First Seen
Sources
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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86% similarUnverified伸缩杆安装免打孔但承重有限（一般≤10kg），跨度超过1.5米易中间下垂脱落，宽浴室或重帘建议用固定轨道或打孔杆84% similarUnverified浴帘挂环孔位标准间距约15-18cm，180cm宽帘布通常打12个孔；帘杆直径需与挂环内径匹配，常见杆径为2.2-2.5cm，购买伸缩杆需确认与挂环兼容79% similarUnverified挂遮光/加厚窗帘（单幅湿重可达3-5kg）时，管径需≥25mm且承重标称≥10kg再打对折，同时避免选纯免打孔顶撑款，跨度超过1.5米建议打孔固定或加中间支撑79% similarUnverified免打孔窗帘（伸缩杆/免钉支架）单侧承重上限约3-5kg，仅适合宽度≤2米、克重轻的薄纱或半遮光布；宽度＞2米或全遮光厚布必须打孔安装或用罗马杆固定，否则易脱落或中间下垂79% similar
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