1 季节
15 插曲
A Chopper is Born - Season 1 Episode 7 第 7 集 (2002)
The exhaust and cooling systems are added to Mark Evan's helicopter, and he learns how to take off from hover position and from the ground.
- 国家 : United Kingdom
- 类型 : Documentary
- 工作室 : Discovery
- 导向器 : Mark Evans
- 投 : Mark Evans
