垂直起飛需要助推火箭，之後超音速飛行還得再裝一台渦輪噴氣或是渦輪風扇發動機，成本肯定超沙赫德數倍到十幾倍。

來源: 天青水藍於 2025-07-06 18:22:12 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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