Helium is used to pressurize tanks and help push fuel into the engines. Without proper helium flow, the rocket cannot safely fly. Because the upper stage is hard to reach at the launchpad, NASA rolled the stacked rocket back into the Vehicle Assembly Building, the sky-scraping hangar where it was originally put together.
（三）多次殴打、伤害他人或者一次殴打、伤害多人的。
，更多细节参见91视频
南方周末：经过两次肖赛之后，你会不会有一段时间，想离肖邦远一点？
Раскрыты подробности о договорных матчах в российском футболе18:01
Isn't it obvious? Let's explore the details.