Unverified80% confidenceDecision RuleTime unknown

承重稳固性看壁面材料而非仅看支架标称：空心砖/石膏板墙必须用膨胀螺栓或穿墙对拉件，直接用自攻螺丝钉入的支架在大风中会松脱坠落

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80%

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Unverified承重方向不同：折叠扶手承受的是向下拉力，安装墙面必须是实心承重墙或承重砖墙，空心砖、轻质隔墙（如石膏板、泡沫砖）必须加装背板或穿墙螺栓固定，否则膨胀螺丝会被整块拔出87% similar Unverified壁挂式挂架安装墙面材质决定固定方式：实心砖墙/混凝土墙可用膨胀螺丝承重，空心砖、石膏板或轻质隔墙必须用专用锚栓或穿透龙骨固定，普通膨胀螺丝在空心墙上几乎无承重力86% similar Unverified空心砖墙或轻质隔墙安装螺丝固定扶手时，普通膨胀螺丝抓力不足，需使用中空墙专用锚栓或穿墙对拉螺栓，否则承重下极易连墙皮脱落85% similar

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