[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

安装时两端固定点(膨胀螺丝或挂钩)的墙体承重能力是实际安全短板,绳体承重≥30kg但若固定点安装在空心砖或瓷砖上则实际承重大幅下降,需优先确认墙体结构。

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