Read Edit View history 公共交换电话网 gōnggòngjiāohuàndiànhuàwǎng public switched telephone network Origin Definitions Defs Strokes Stroke Words Sentences Sents 公共交换电话网 公共交換電話網 gōnggòngjiāohuàndiànhuàwǎng public switched telephone network the traditional circuit-switched telephone network used for global telecommunications; PSTN
公共交换电话网 公共交換電話網 gōnggòngjiāohuàndiànhuàwǎng public switched telephone network the traditional circuit-switched telephone network used for global telecommunications; PSTN