事故照明转换开关
词语： 事故照明转换开关
解释： change over switch for emergency lighting
词典： 电信专业汉英词典
事故照明转换开关 相关解释
change over switch for emergency lighting 〔名词〕事故照明转换开关
change over switch for emergency lighting 〔名词〕事故照明转换开关
事故照明转换开关 change over switch for emergency lighting