1、Internet access is not nationwide: those living far from a telephone exchange get lower speeds.
因特網接入也仍未遍及全國：居住地離電信局較遠的用戶速度就會較慢(或者根本沒速度)。

2、He talked, in particular, of a telephone exchange in Canberra called 'Deacon Center'.
他談到，特別是電話交換在堪培拉所謂'迪肯中心'。

3、By 1878, Bell had set up the first telephone exchange in New Haven, Connecticut.
在1878年，貝爾已經在康涅狄格州的新海文建立了第一個電話交換站。

4、The telephone exchange has been jammed all day with people wanting to buy season tickets.
很多人想買季票，電話總機一天到晚忙個不停。

telephone exchange翻譯