The construction of the technological support command of aviation equipment is a key link of the informationalization. 航空装备技术保障指挥系统建设是装备信息化工作的一个重要环节。
The high performance roll-sleeve is a key technical guarantee to achieve transnormal roll casting of aluminum alloys with twin continuous roll-casting technology. 摘要满足铝合金超常铸轧工艺所需综合技术性能要求的辊套材料,是采用双辊连续铸轧方法实现铝合金超常铸轧的重要技术保障。