Unverified82% confidenceDecision RuleTime unknown
挂杆两端为顶压式（伸缩弹簧顶住两墙）无需打孔，但仅适合宽度＜1.2m且两侧有实墙的空间，用于阳台挂衣、浴帘；跨度过大或单端悬空必须用打孔法兰盘固定
1
Sources
82%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified大尺寸挂毯（宽＞1.5m）不建议只用两颗图钉悬挂，长期受力会使顶部撕裂或墙面留孔；应搭配木杆穿挂或多点固定分散重量83% similarUnverified伸缩杆安装适合开口宽度＜1.2米且两侧有垂直硬质墙面（承压面），超过1.2米或单侧无支撑点会因张力不足下坠脱落83% similarUnverified双层帘（遮光布+纱帘）需要双轨或双杆：罗马杆做双杆时前后间距需≥10cm避免打架；成品双轨天轨更省空间。若只装单杆想挂双层，需确认窗帘上部支持双层挂法（如打孔+穿杆分层）83% similarUnverified落地支架式吊床底座宽度需≥吊床布长度的1.2倍以防侧翻，且四脚需带防滑胶垫；门框弹簧悬挂式必须确认门框结构承重（实心木/承重墙）而非空心夹板82% similarUnverified顶撑式免打孔晾衣杆依赖两端墙面挤压固定，安装间距需在杆体伸缩范围内且留有20-30cm余量顶紧，若测量间距刚好等于杆体最大长度则无法有效撑紧，容易滑落82% similar
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