emergency SC应急供应链emergencyn.突发事件；紧急状态adj.应急的；紧急的；备用的emergency cable应急电缆emergency timer事故断电器emergency funds应急基金,临时费emergency usage紧急使用Emergency staff医务人员emergency route应急通路,安全路线,应急路由emergency chute(飞机发生事故时emergency system应急系统emergency device应急装置emergency succor应急救援