三线是中国最伟大的历史战略部署，否则中国腹地人口众多的四川一带仍然贫穷落后。

来源: XYZ94538 于 2022-02-06 15:00:15 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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