稀土精煉可以做到很幹淨。我去看過日本TDK的工廠很幹淨，比國內的幹淨很多。所謂汙染是無稽之談。隻要肯花錢就沒問題。

來源: 顏陽於 2025-04-23 20:24:40 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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