This paper introduces a hydraulic lift device with knee-jointed short flat pallet for repair of automobile, its operation and control principle, performance and characteristics are briefly related.
介绍一种通用性好、使用操作方便的新型短平台铰接式汽车维修液压举升装置，阐述其工作原理及性能特点。
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Leg: in a Biped, the lower limb, jointed at the knee, supporting the Body and used for walking and running.