噴氣機和火箭是納粹德國發明的, 人造衛星和太空站是蘇聯人發明的,
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• 都為人類經濟發展產生了巨大效益, -大洋bridge- ♂ (0 bytes) () 03/07/2024 postreply 18:09:51
• 都為人類經濟發展產生了巨大效益, -大洋bridge- ♂ (0 bytes) () 03/07/2024 postreply 18:09:51
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