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电镐开机没有冲击力而且反弹，开机手都震麻了，师傅教维修。
电动工具，电镐，小电镐，开机反弹，而且手都震麻了，镐尖凿墙打地面就是没有冲击力，故障维修很简单，看完视频，马上学会了，师傅教你😀
电动工具生活记事79/96
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