就看無人機，太陽能板這兩個例子，美國國內有工廠，國家也大力支持，但質量，成本和技術都比中國差兩代，

來源: 大洋bridge 於 2025-05-14 11:15:10 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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