常見例句Design of FastTran box in CTI system CTI系統(tǒng)中快速轉(zhuǎn)換盒設(shè)計(jì)方案Telephone switching system in ethernet based on FastTran 基於快速轉(zhuǎn)換盒的以太網(wǎng)電話交換系統(tǒng) 返回 FastTran