[KongchangAI]
Unverified88% confidenceDecision RuleTime unknown

断桥铝型材壁厚国标要求≥1.4mm(主受力部位),临街高层或大尺寸窗建议选1.8mm以上;隔热条应认准PA66尼龙材质而非PVC,PVC隔热条易老化开裂且强度不足

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88%
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Long-term
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