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.
在信中，何小鹏评价其效果为「惊艳」「涌现」，并在信中宣布：大众将成为小鹏自动驾驶方案「第二代 VLA」的首发客户。
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