emergencyn.突发事件;紧急状态adj.应急的;紧急的;备用的
emergency stair疏散楼梯
Emergency calls急诊
emergency alert紧急报警
emergency basin备用池
emergencyrescue应急救援
emergency width呼救信号脉冲宽度
emergency shaft备用井
emergency close[计] 紧急关闭
emergency-off应急断电
emergency talks紧急会议