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北京Ｆ９９一ＩＡ型双管球５００ｍＡＸ线机启动保护电路的故障分析和处理黑龙江省牡丹江医学院附属医院放射线科赵毅，姚志忠，程子英１故障现象Ⅰ台透视正常。Ⅱ台普通摄影时，开机后的第一次曝光正常，再次曝光时，按下手闸第一档，摄影准备继电器ＪＣ２：不工作，旋转...
Beijing F99 an IA-type double tube 500mAX line machine protection circuit fault analysis and treatment of Radiation Department of Mudanjiang Medical College Hospital of Heilongjiang Province Department of Radiology Zhao Yi, Yao Zhizhong, Cheng Ziyang 1 Symptom Ⅰ Taiwan normal perspective. Ⅱ Taiwan ordinary photography, the boot after the first normal exposure, re-exposure, press the hand brake first gear, photographic preparation relay JC2: not working, rotating ...