| 释义 |
PSTNabbr.① 公眾式交換電話網路(=Public Switched Telephone Network)PSTNabbr.【电信】=public switched telephone network公用交换电话网详细释义源自:《新世纪英汉大词典》Collins外研社 abbr.=public switched telephone network 公用交换电话网【电信】国家教育研究院双语词汇双向☞public switched telephone network--PSTNPSTN公共交換電信網路( |