而椅背在任何倾仰角度下亦能让使用者提供均衡之承托力以实现分段式锁定，以确保坐姿灵活舒适。
It also Provides a Constant Counter Pressure to the Lumbar in All Tilting Positions to Encourage Optimum and Balanced Dynamic Posture.
而椅背在任何倾仰角度下亦能让使用者提供均衡之承托力以实现分段式锁定，以确保坐姿灵活舒适。
It also Provides a Constant Counter Pressure to the Lumbar in All Tilting Positions to Encourage Optimum and Balanced Dynamic Posture.
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