事故／事故征候调查
accident and incident investigation
低压倒送电事故的防范
Prevention of the fault fed back from LV supply
电离室断电事故
ionization chamber loss of supply accident
电梯故障的诊断与排除
Elevator Fault Diagnosis and Trouble Shooting
福岛核电事故
Fukushima nuclear accident
静电事故
Static electricity accident
electrostatic accident
开关位置事故电源先导指示灯
switch position emergency source pilot light
美加8.14停电事故
Blackout in interconnected North America power grid on August 14
2003
欧美大停电事故
blackouts in Europe and the USA
全厂断电事故
station blackout
blackout accident
station blackout accident