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1.内平开下悬窗、下悬内平开窗
2.配合拉杆使用，提高窗合页侧的水密、气密性
3. 圆柱头锁点具有调节功能，调节量为±1.5mm，提高窗的水密、气密性
4.导轨与钢带点触结构设计，传动顺滑，有效提高整窗传动顺畅性
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