交流事故保安电源系统是当电网发生事故或其他原因致使火电厂厂用电长时间停电时，提供机组安全停机所必需的交流用电系统。
AC fault security power source system is to provide alternating current for unit safety shutdown when power cut happens for a long time due to power grid failure or other reasons.
日本原子力安全保安院估计，福岛核事故的核辐射量已经达到1986年切尔诺贝利事故的15%。
The accident at the Fukushima plant is likely to have released about 15 percent of the radiation released at Chernobyl in 1986, Japan's Nuclear and Industrial Safety Agency has estimated.
保安主管负责起草一份事故报告。
Security supervisor will prepare an Accident or Incident Report.
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