Unverified85% confidenceCautionTime unknown
轻质隔墙或空心墙不建议直接用普通膨胀螺丝安装承重扶手，未做背板加固时长期借力会松动脱落，存在跌倒风险
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
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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90% similarUnverified石膏板/空心墙不建议直接安装壁挂或吊顶支架，普通膨胀螺丝无法承重会脱落，必须使用穿透到实心结构层的加长螺栓或飞机膨胀螺丝89% similarUnverified石膏板墙（多见于隔断墙、二次装修墙）不建议放重物搁板，普通膨胀螺丝在石膏板中几乎无握力，必须用中空锚栓且单点承重仍有限89% similarUnverified墙面为空心砖/石膏板隔墙不建议装重载壁挂置物架，普通膨胀螺丝抓力不足易脱落，需用专用中空板锚栓或改落地款88% similar
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