老一輩無產階級革命家都知道Ham Radio 。。。

來源: 三步兩橋於 2023-09-01 21:05:54 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

哦，不對，應該是老一輩無線電愛好者都知道Ham Radio

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