ISBN: 9787122203632 - 飞机为什么会飞? (1 risultati)

paperback. Condizione: New. Language:Chinese.Pub Date: 2014-09-01 Pages: 159 Publisher: Chemical Industry Press Why fly the plane? How to fly a plane? What are the main components of aircraft? What is the function of each part of the aircraft is? How to fly a helicopter? . This book will answer you! Why fly an airplane helicopter catalog flying three elements 11.1 21.2 31.3 Aircraft family of five categories of aviation China's invention of the airplane 71.4 101.5 151.6 diverse purposes which future development of . …