[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

空心墙(石膏板/轻钢龙骨隔墙)严禁只用普通膨胀螺栓固定,必须使用蝴蝶型/飞机型空心墙锚栓或找到龙骨位置打孔,否则拉力测试超过10kg即会拔出

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