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 of Public HealthEmergency evacuation model应急疏散模型emergency room thoracotomy急诊室胸廓切开术emergency medicine setting急诊医疗站Emergency medical serrices急救医疗服务Emergency power supply EPS应急电源EPSEmergency Contingency Plan紧急情况应急计划Emergency cesarean section急症剖宫产术Emergency observation ward急诊观察室emergency -exit lighting紧急出口照明