英语词汇“公用交换电话网络”的翻译、意思、用法、释义-英汉汉英词典

单词	公用交换电话网络
释义	公用交换电话网络public switched telephone network，PSTN公用交换电话网络public switched telephone networks
随便看	zone sampling zone scanning zone security zone selection unit zone setting zone settling zone sharpening zone sharpening effect zone, shear zones of proximal development zones of proximal development {=zpd} zones of testis zone, soil zone spreading zone-- stagnant zone; stagnant zone station zone sterling zonesthesia zone switching center zone-switching center zone symbol zone--symbol zone system zone system (of pricing)