Unverified85% confidenceDecision RuleTime unknown
洞洞板顶部整体固定强度不仅取决于单点承重,还需确认板材与墙面的连接点数量,宽度超过60cm的墙板至少需3个固定点分散负载,仅两点固定易受力形变或倾覆
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