[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

天花板/墙壁膨胀螺栓固定必须打入承重结构(现浇混凝土楼板或实心承重墙),空心砖墙、石膏板吊顶、加气块隔墙均无法安全承受悬吊冲击力,需用M10以上化学锚栓

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