標題: The 6 Best Blackout Blinds Of 2023, According To Sleep Experts [打印本頁] 作者: CarynArj17 時間: 2023-4-7 15:35 標題: The 6 Best Blackout Blinds Of 2023, According To Sleep Experts The Roller blind is operated by a pull cord attached to the bottom of the blind or by a side-winding chain mechanism attached to the blind casing.