航空業幾十年的努力，從仿製，到自研、創新，到領先，了不起！為航空業科技專家、技工、工人等點讚！

來源: panlm_ 於 2025-04-05 06:51:18 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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