XY-K-SF-9 new lift function: the couch bed lifting stroke: 0 ~ 500mm range continuously adjustable arm brackets on both sides of the head segment of facial features: adjustable stroke 0 ~ 200mm; head segment of facial features: angle relative to the horizontal adjustment: -52 ° ~ + 54 ° continuously adjustable; head of thoracic and lumbar segment of facial surface features: adjustable angle relative to the horizontal plane: -10 ° ~ 70 ° continuously adjustable; thigh section plane function: Relative level adjustment angle: -2 ° ~ + 20 ° continuously adjustable; about double leg segment of facial features: adjustable angle relative to the horizontal plane: -72 ° ~ + 40 ° continuously adjustable; both sides of the lumbar thoracic side arm bracket to the surface level of the first segment Mobile 125mm waist on both sides of the thoracic side arm bracket: Relative thoracic lumbar adjustment angle: 90 ° external rotation