Unverified80% confidenceCautionTime unknown
断桥铝或塑钢窗框直接打孔可能破坏密封性和保温层,不建议在中空玻璃窗框主受力部位随意钻孔,优先卡扣式或选择型材腔体外侧安装
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80%
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Long-term
Relevance
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