[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

框架材质优先选铝合金(壁厚≥1.0mm),耐候抗变形优于塑钢;塑料框架长期日晒2-3年易脆化开裂,仅适合遮阴面窗户

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82%
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Long-term
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