Fixed-Wing Drone With Vertical Takeoff Unveiled At China High-Tech Fair |నిట్ట నిలువుగా ఎగిరే డ్రోన్ Kavitha 10 months ago Fixed-Wing Drone With Vertical Takeoff Unveiled At China High-Tech Fair |నిట్ట నిలువుగా ఎగిరే డ్రోన్