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老式具有纪念意义充电宝，使用的不是软包锂电池，电池连接很危险
收到了两个迷你型榨汁机，也算是常见故障吧，由于成本问题，越便宜越容易出现这种故障，它内部电池分为很多个型号，要学会看测试，否则很容易买错
家用常见常用小电器维修合集72/305
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