日本發展電子管缺鎳，後來發現港幣裏含鎳很高，於是大量收繳香港的硬幣來提取鎳。

來源: 走資派還在走於 2025-02-01 00:39:12 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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