七十年代上海店家的“矿石机” kit 其实用的是二极管，不是天然矿石

来源: viBravo5 于 2022-10-31 20:22:41 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.