莱特兄弟若申请了飞机有翅膀专利，那美波音公司也永远不会被打败了

来源: obamacome 于 2025-01-30 11:56:35 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.