Unverified88% confidenceDecision RuleTime unknown
免打孔窗帘杆的承重普遍偏弱，弹簧顶撑式（弹力杆）单杆有效承重通常仅2-5kg，只适合挂纱帘、薄棉麻帘；克重＞180g/㎡的遮光布帘务必选带侧边支架（免钉胶+L型托）的款式而非纯弹力顶撑
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88%
Confidence
Long-term
Relevance
-
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Unverified免打孔伸缩杆承重有限（多数≤5kg），仅适合轻薄遮光帘或单层配件；加装遮光布使窗帘总重超5kg时必须用打孔支架或承重型免钉胶挂钩90% similarUnverified顶装式伸缩杆（撑杆式）依靠两端弹簧顶住墙面，承重通常≤3kg，仅适合窗纱、门帘等轻薄布料；棉麻遮光帘（每米约0.8-1.2kg）超过2米宽必须改用侧装免打孔支架90% similarUnverified免打孔伸缩杆承重通常≤3kg，仅适合轻薄纱帘或棉麻半遮帘；克重≥300g/㎡的加厚遮光门帘需打孔安装或使用顶天立地固定杆，否则易脱落塌腰89% similarUnverified免打孔安装（伸缩杆/魔术贴/门框胶贴）承重上限通常约3-5kg，超过此重量的加厚保暖门帘会下滑脱落，必须用膨胀螺丝固定的窗帘杆或杆托89% similarUnverified免打孔（伸缩杆）杆体最大安全承重通常≤5kg，仅适合薄纱或轻质半遮光帘；三层加厚遮光布双开窗帘常达8-12kg，必须用打孔固定的罗马杆或轨道88% similar
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