送交者: 短江学者 于 2010-12-12, 13:56:04:

回答: NASA's Space Shuttle launch videos are 由 蟑脑丸 于 2010-12-12, 13:14:19:

• it is crucial and hard to keep it upright when the ties are released (无内容) - 短江学者 (0 bytes) 2010-12-12, 17:41:21 (525032)

加跟贴