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.
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从已公布的方案来看，3月是此次价格调整的关键节点。此前上市的机型调价幅度相对较小，但3月之后发布的新品，价格涨幅将显著扩大。其中，新机型最低涨幅不低于1000元，而中高端旗舰机型的涨价幅度可能达到2000-3000元。这意味着原本定价3000-4000元档位的手机，将被迫上探至5000元档，直接与更高端机型展开竞争。