しんくうけいこうかん 真空蛍光管 LinksSentence search for 真空蛍光管Sentence search for しんくうけいこうかんKanji details for 真, 空, 蛍, 光 and 管Edit in JMdict Noun1. vacuum fluorescent tubeSee also 蛍光管 Discussions Log in to talk about this word.