公共交换电话网
gōng gòng jiāo huàn diàn huà wǎnggonggongjiaohuandianhuawang
- public switched telephone network (PSTN)
gōng gòng jiāo huàn diàn huà wǎnggonggongjiaohuandianhuawang
Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences