Unverified90% confidenceDecision RuleTime unknown

隐藏搁板依靠内嵌钢架或膨胀螺栓悬挑受力，实心红砖墙/混凝土墙用膨胀螺栓M8以上可承重15-25kg，空心砖墙必须打入到内部横筋或使用中空墙专用蝴蝶锚，否则承重骤降至3kg以下

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墙面隐藏搁板category

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Unverified承重墙/实心墙可用膨胀螺丝或钉挂，但空心砖墙、石膏板墙必须用无痕胶时单个相框重量≤500g，超过需用石膏板专用蝴蝶膨胀螺栓90% similar Unverified打孔式收纳架需匹配膨胀螺丝与墙体：实心砖墙/混凝土墙用普通尼龙膨胀管即可承重≥15kg，空心砖或加气块墙需用专用蝴蝶型/中空膨胀螺丝，否则会松脱90% similar Unverified石膏板/空心砖墙不能直接打螺丝，必须用膨胀螺栓或空心墙锚栓（蝴蝶栓），单点承重才能达到3-5kg；实心砖墙直接塑料膨胀管即可87% similar

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