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请教诸位老师,打理一台美多66A收音机,甲类单端初级有抽头的输出变压器,抽头断了 |
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发表于 2018-5-22 15:42:09
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发表于 2018-5-22 18:09:42
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发表于 2018-5-22 20:04:30
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