emergency car救急车,救险车emergencyn.突发事件；紧急状态adj.应急的；紧急的；备用的emergency feature应急用装置emergency reactio低血压emergency package整套应急措施emergency chamber紧急室,应急舱室,潜艇水下脱险闸emergency rescued抢险emergency dispatch应急调度emergency planning应急计划Emergency Handlingemergency recovery应急救援emergency ejection应急弹射