[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

无边框薄板层板(如3mm钢板)横向跨度超过40cm时中间易下弯变形,长跨度置物需选带加强筋或折边≥15mm的层板

1
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80%
Confidence
Long-term
Relevance
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