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从波兰进口的CTK-3011与CMK-4011都出现过1MV定标电压显示正常,而心电信号无显示的故障。电路分析:CTK-3011心电监护部分
Imported from Poland CTK-3011 and CMK-4011 have appeared 1MV calibration voltage showed normal, and ECG showed no fault. Circuit Analysis: CTK-3011 ECG monitoring section