Air defense missile weapon system research and development is a very complicated engineering,problems of all kinds would be met.
英
美
- 防空导弹武器系统研制是一项非常复杂的工程,研制过程中会碰到各种各样的问题。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries