emergency function meaning in English

应急功能
应急机能

Criteria for emergency planning and preparedness for nuclear power plants . off - site emergency functions and organization
核电厂应急计划与准备准则场外应急职能与组织
Coupling of the emergency generator on the emergency switchboard , checking the operation and checking that all emergency functions are satisfactory
确认应急发电机和应急配电结合，保证应急功能满足。
Manual emergency function : when there is a failure in the power supply or the electric control system , the boarding bridge can be disconnected from the aircraft with a manually operated pump to ensure the normal order of the airport operation
手动应急功能：当电源中断或电控系统故障时，可用手摇泵将登机桥撤离飞机，保证机场正常运营。