汽车起重机是在通用或专用在载重汽车底盘上装上起重工作装置及设备的起重机，主要采用伸缩式臂架，油缸变幅。
Mobile crane is a general or special the heavy lifting the chassis on the work and equipment, cranes, retractable type mainly adopt the oil tank movement.
主要针对广泛应用于汽车底盘的管材液压成形技术、半固态成形技术进行了介绍，并将这些技术的开发情况、应用情况、设备等情况进行了概述。
In this paper, the tube hydro-forming technology, the semi-solid forming technology are induced, which widely used to product auto-chassis p.
主要针对广泛应用于汽车底盘的管材液压成形技术、半固态成形技术进行了介绍，并将这些技术的开发情况、应用情况、设备等情况进行了概述。
In this paper, the tube hydro-forming technology, the semi-solid forming technology are induced, which widely used to product auto-chassis p.
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