短语词组短语Exit direction sign [安全]出口方向标志;出口方向标志directional exit sign 指向出口标记Exit and Safety Sign 消防应急灯exit sign luminaire 出口标志灯;出口标记灯illuminating exit sign 通路引导指示灯Extinguisher &exit sign 灭火器和出口标识advance exit sign 出口预告标志 返回 exit sign