废铜烂铁废铜烂铁，铜的回收占总产量的20%。炮弹壳，旧电子设备，GDP加个尾数就又回来了。

来源: Iknowno 于 2026-03-20 10:01:00 [旧帖] [给我悄悄话] 本文已被阅读：次

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