There are also some questions around safety.
最令航天业担忧的是钇供应紧张。钇是高温防护涂层中的关键成分，可防止发动机和涡轮在高温下“熔化”，一旦无法定期施涂相关涂层，发动机便无法正常服役。
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What's on deck: Apple's rumored 2026 MacBook lineupBased on its usual update cycle, Apple's 2026 launches will almost certainly include new MacBook Airs in 13- and 15-inch sizes and new MacBook Pros in 14- and 16-inch variants. The Airs will likely come with the base M5 chip (the same one found in the existing 14-inch MacBook Pro), while the new Pros will probably be powered by high-end M5 Pro and M5 Max chips.
Фото: Bernadett Szabo / Reuters