Inside Mighty Machines Season 1 (2019)认领

　　What are the five engineering innovations that made the 747 the game-changer of aviation? What makes a power plant's giant turbine rotor blades spin at incredible speeds? What does it take to keep a floating city in perfect working order during critical overseas missions? Former NASA rocket engineer Chad Zdenek takes apart some of the world's mightiest machines and uncovers the...