本实用新型电动液压千斤顶属于运输车辆的举升装置。
The utility model relates to an electrical hydraulic jack which belongs to a lifting device for transporting vehicles.
介绍了一种用于大型压力机模具快速更换系统的气动液压举升装置。
A hydraulic lifter driven by pneumatic for quick die change in heavy -duty press was introduced.
二是：首先，根据自卸车类型的优缺点，确定了自卸车的举升机构为连杆组合式举升装置。
The two is: first, according to the advantages and disadvantages of truck type, the self lifting mechanism of truck for link combination type lifting device.
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