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1.內平開下懸窗、下懸內平開窗
2.配合拉杆使用，提高窗合頁側的水密、氣密性
3. 圓柱頭鎖點具有調節功能，調節量為±1.5mm，提高窗的水密、氣密性
4.導軌與鋼帶點觸結構設計，傳動順滑，有效提高整窗傳動順暢性
京東
天貓
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