用backrest造句子，“backrest”造句

Separate air chambers adjust the longitudinal and transverse contours of the backrest independently in the lumbar and side regions.

The seat cushion is a metal framework, and empty windows are kept at the front, rear, left and right sides, in particular to both front and rear sides. The backrest is also a metal framework.

There are 4 modular elements to the sofa; the seat, backrest, armrest and cushions.

The utility model discloses a riding type high-speed bicycle with a lying backrest, which provides a novel tool instead of walk for people.

Plated frame, high backrest, adjustable backrest Angle, after bending handrails, lift foot care, solid front, pneumatic rear wheel plastic wheel frame, folding handle support.

A real racing bucket seat with additional lateral support in the hip area it now features a thorax airbag and a foldable backrest for the first time.

Astir armrest, detachable footrest, quick -released rear wheel, folded backrest tube, with handle brake.

Electric adj of rear backrest & headrests

The larger backrest provides upper back and shoulder support as well as excellent lower back support.