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电动工具锂电池，做功差不仅相当危险，而且无法充放电使用
维修一个改装的A3款电源，拆解后发现这就是一颗定时炸弹，如果由于震动很有可能爆燃，同时它无法充放电故障也是由于做工问题引起
电动工具电源维修大全376/417
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