The development of aerospace depends chiefly on advanced material and technology. The appearance of new composite material is the fundamental assurance of high performance,high reliability and low cost for aerospace industry.
英
美
- 發(fā)展航空航天技術(shù)主要依靠先進(jìn)的材料和技術(shù),新型復合材料的出現是航空航天工業(yè)實(shí)現高性能、高可靠性、低成本的基礎保證。
