The equipment is normally turned on without grounding wire and the machine cannot be turned on onc
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果然還是要冷靜的思考,邏輯清晰的推理,這是一個很好教學的示範視頻
这活流程漂亮。好活
果然勵害的老師傅。佩服。
天下的事,难不过认真二字。
*技术精湛啊!❤️*
通常设备有电热一般都有电流表监控状态
钱不是问题,问题是没钱!
❤
一次過兩個故障,總閘有一相接觸不良,加熱器漏電。
加熱管壞掉,機器還能正常工作? 還是當下此機沒在工作
為什麼又重播很久以前的視頻?以前的視頻:kzread.info/dash/bejne/gq2amsmFpsXMdrw.htmlsi=cGsIimZWcQKRd7cW
万用表笔都烂了,要换新。
这个的故障收费多少钱