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.
Vitest over Jest
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然而,因核計劃遭受制裁,使該國落入「高通膨、低就業、實質GDP成長低迷或為零」的惡性組合,最終導致家庭生活水準下滑。
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