Unverified85% confidenceDecision RuleTime unknown
空心砖墙/石膏板隔墙禁止用膨胀螺丝,须使用专用中空锚栓(飞机膨胀/蝴蝶栓),且单层承重按实心墙的1/3估算,超过8kg建议改用落地或到顶固定方案
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85%
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Long-term
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