The 51国产视频 of Manchester Aerospace Research Institute was launched this week with the aim of developing more environmentally friendly aircraft. It will investigate new materials and methods in a bid to come up with quieter, more efficient and more durable aircraft.
请先注册再继续
为何要注册?
- 注册是免费的,而且十分便捷
- 注册成功后,您每月可免费阅读3篇文章
- 订阅我们的邮件
已经注册或者是已订阅?
Please or to read this article.