[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

门体钢板厚度看内外双层:普通门外板≥0.8mm、内板≥0.6mm,甲级门内外板厚度总和通常≥2mm。整体门扇厚度建议≥20mm,低于此值多为薄板填充

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