公用交换电话网 gōngyòngjiāohuàndiànhuàwǎng PSTN Definitions Defs Origin Strokes Stroke Words Sentences Sents 公用交换电话网 (公用交換電話網) gōngyòngjiāohuàndiànhuàwǎng PSTN public switched telephone network (PSTN) Sources Definitions CC-CEDICT
公用交换电话网 (公用交換電話網) gōngyòngjiāohuàndiànhuàwǎng PSTN public switched telephone network (PSTN) Sources Definitions CC-CEDICT
