[KongchangAI]
Unverified80% confidenceCautionTime unknown

抗风压等级看型材壁厚与玻璃厚度,30层以上超高层不建议用普通推拉窗(气密水密性不足),应选系统窗或平开窗,普通推拉窗气密性等级通常仅4-6级

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