emergency bus应急汇流条emergencyn.突发事件；紧急状态adj.应急的；紧急的；备用的emergency message handling应急信息处理emergency assembly session紧急全体会议emergency rescue operation应急救援操作Emergency Action Directive紧急行动指令emergency logistics center应急物流中心Emergency Action Committee紧急行动委员会Emergency Security Options应急安全选择方案emergency broadcast system应急用广播系统emergency management of SC供应链应急管理Emergency Recovery Section紧急抢修科