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我院使用的磁共振是ＳＩＥＭＥＮＳ公司生产的Ｉｍｐａｃｔ1．０型。其使用的电源来自于交流三相稳压电源。一次，停电一段时间后再来电，重新开启ＭＲ，一会便听到两声很大的响声，且机器显示ｄｏｗｎｌｏａｄｉｎｇ；ｆａｉｌｅｄ，马上关机检查，首先发现交流三相稳压电源缺
The magnetic resonance used in our hospital is the Impact 1.0 model manufactured by SIEMENS. The power supply it uses comes from an AC three-phase regulated power supply. Once a power failure occurs after a period of power failure, the MR is turned on again, and two loud sounds are heard. The machine displays downloading; failed, and immediately shuts down and checks. The AC three-phase power supply is found to be missing first.