[KongchangAI]
Unverified82% confidenceFactTime unknown

断桥铝型材壁厚国标要求主受力杆件≥1.4mm,隔音门窗宜选1.8mm以上型材配多腔结构,型材腔体越多结构稳定性和隔热隔音越好

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82%
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