问题
问答题 简答题
在哪些情况下可以使用紧急解锁及万能钥匙？
答案
参考答案：
1、电气防误装置应电气回路故障无法开锁或防误装置有故障需要检修；
2、在事故情况下（防误装置失灵），保护失灵或开关柜，需要紧急拉开本开关或上一级开关，否则会造成事故扩大或威胁人身设备安全者；
3、重要线路跳闸，重合闸拒动需要紧急强送者（试送或雷击过后强送者除外）。如线路无压鉴定强送前应向调度汇报。
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as an animal much weaker and smaller than herself that had saved her life. 
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