Unverified90% confidenceDecision RuleTime unknown
阳台吊顶为集成扣板(铝扣板/PVC)时,扣板本身无承重能力,必须打膨胀螺丝固定到扣板上方的水泥楼板,安装孔深需≥6cm,否则长期使用会脱落
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90%
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Long-term
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