稀土产值不大且污染环境，突破了也没多大利润，主要给对方制造麻烦。美国对中国多项限制，哪项把中国卡死了？突破了还有巨大利润

来源: 21-C 于 2025-06-07 07:26:00 [旧帖] [给我悄悄话] 本文已被阅读：次

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