[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

洞洞板整墙满挂满载时,单块60×90cm金属板建议至少4个膨胀螺丝固定,且必须打入承重墙或用板材背后加装横撑分散墙面拉力

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85%
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Long-term
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