1/5 of US lifespan. That's only the lifespane, not quality.

來源: VATraveler 於 2025-03-14 10:08:05 [檔案] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)

回答: 軍用的己經都是國產了，如渦扇係列，不知道先進不先進由 yddad 於 2025-03-14 05:47:27

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