美国现在也只有大学，科研，和某些高科技还值得称道，老川这4年下来，估计这些也都没了，制造业啥样还不好说呢

来源: STEMkid 于 2025-04-18 07:48:00 [旧帖] [给我悄悄话] 本文已被阅读：次

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