Unverified85% confidenceDecision RuleTime unknown
断桥铝型壁厚建议≥1.8mm（国标住宅门窗要求），临街高层抗风压需1.8-2.0mm。壁厚不足会导致窗框变形影响密封和隔音，验收时可用卡尺测量或称重比对
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