Unverified90% confidenceDecision RuleTime unknown

需要挂电视、洗手台或重物的墙面，必须在轻钢龙骨内预埋横向木方或加装18mm厚多层板背衬，单点承重可达30-50kg；普通石膏板墙用膨胀螺丝直接固定重物会脱落

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90%

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轻钢龙骨隔断category

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