Technicians install and debug a newly developed vertical takeoff and landing drone at a workshop in Hohhot economic and technological development zone in Hohhot, Inner Mongolia autonomous region ...
The race to develop electric vertical takeoff and landing (eVTOL) aircraft has undergone a dramatic consolidation since its emergence around 2010. What began as a crowded field with hundreds of ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果