马方园 发表于 24-1-14 22:05:41

机械电调

70年代，碰见不容易
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Fireeeeee 发表于 24-1-28 13:55:19

滑动变阻器吗

回来吧hololive 发表于 24-2-4 17:58:35

我也有俩古董
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