Unverified90% confidenceDecision RuleTime unknown
单件重量＞2kg的壁挂摆件必须使用膨胀螺丝固定，不可仅用无痕挂钩（承重上限通常≤1kg）或3M胶（承重≤0.5kg），否则易脱落
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Unverified承重超过2kg的挂壁标签架必须选膨胀螺丝固定，免打孔无痕胶单点承重普遍≤1.5kg且随时间衰减，重物场景挂胶必掉91% similarUnverified免打孔胶粘搁板单层承重上限通常≤3kg，超过需选用打孔+膨胀螺丝安装，实心墙可承重15kg以上88% similarUnverified单件金属墙饰重量＞3kg时不可用3M无痕胶或泡沫胶粘贴，必须使用膨胀螺丝入墙固定；1.5-3kg可用重型十字钩+石膏板锚栓；＜1.5kg方可用免打孔粘贴88% 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88% similar
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