原理是大边框用胶粘在外墙上不透光小缝隙。里面void用密封材料填充,用标准塑料封条粘在正面窗体上。也许俺看错类型。
本帖于 2024-04-24 07:20:14 时间, 由普通用户 IEbird 编辑
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