常見例句

雙語例句

• Increase the ability of correspond by letter, raise the telephone universality rate, take the area trunk line fiber optic cable and the city country telephone nets as the point.
  增加通信能力，提高電話普及率，以區(qū)際干線光纜和城鄉(xiāng)電話網(wǎng)為重點。
返回 fiber optic trunk cable