[KongchangAI]
Unverified87% confidenceDecision RuleTime unknown

长搁板(≥80cm)必须增加中间支撑点或选加厚层板,否则中部会随时间下垂(蠕变);实木层板抗下垂优于刨花板/密度板,跨度超过1m建议至少3个固定点

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87%
Confidence
Long-term
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