緊急出口指示燈 exit sign luminaire: 出口標(biāo)志燈emergency exit sign: 緊急出口標(biāo)志emergency luminaire: 應(yīng)急燈具direction sign luminaire: 指向標(biāo)志燈escape sign luminaire: 疏散標(biāo)志燈下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯