管材液压成形技术近来获得了广泛的应用。
The technology of tube hydroforming has gained wide range application over the last few years.
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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