不是缺鉛，是缺900度的冶煉、合金和製模技術～～那時還有鋰呢，咋不做電池呢，哈哈。

來源: tennisfan87 於 2023-08-15 10:23:55 [舊帖] [給我悄悄話] 本文已被閱讀：次

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