苏州地区系统门窗用推拉窗，外开窗还是内开内倒窗户好？

总高6层小洋房小三房
共16平多点

ykk ap推拉窗含纱窗2800多每平
贝克洛外开窗算下来2200多价格贵吗

ykk ap LD100推拉窗这个断桥看下好吗


[img]https://img.nga.178.com/attachments/mon_202104/06/-40rwQ16u-3ppaK1eT1kSg0-sg.jpg.medium.jpg[/img]
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贝克洛的外开窗麻烦也看下好吗这个断桥铝的？
55公分的少了气密性少一层图示是贝克洛65公分的

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[img]https://img.nga.178.com/attachments/mon_202104/06/-40rwQ16u-fv9gZ2sT3cSqo-zk.jpg.medium.jpg[/img]yang?ben
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