Unverified85% confidenceCautionTime unknown
免打孔顶天立地款依靠弹簧顶紧或胀管固定，对吊顶要求硬质平整，遇石膏板吊顶或不平天花会打滑下滑，此类场景应选打孔膨胀螺丝款
1
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85%
Confidence
Long-term
Relevance
-
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Unverified免打孔顶天立地伸缩杆式收纳架依赖上下顶紧，放重物易松脱下滑，承重需求高时应选落地式框架而非伸缩杆撑顶款87% similarUnverified承重与免打孔难以兼得：免打孔靠摩擦或撑杆固定，承重越大越易滑脱下坠；需要放重物又想免打孔时，应选带侧壁螺丝微固定的半安装款86% similarUnverified挂钩收纳需确认杆顶部有挂孔或专用挂座，且挂座能承重——很多长柄款只提供墙面粘贴挂座，承重不足易脱落，优选膨胀螺丝固定或杆身带挂孔的86% similarUnverified免打孔无损与承重能力天然矛盾：靠弹簧/胶垫张力顶住的杆子，挂物越重越容易滑落，稳定性和承重不可兼得，重帘场景应舍弃'无损'诉求转向打孔或机械螺纹撑85% similarUnverified叠加使用需确认盖顶与底部有嵌合凹槽（子母扣设计），无凹槽的平顶盒堆叠后重心不稳易滑落，抽拉下层时上层可能倾倒85% similar
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