電話(huà)分機的用法和樣例：
例句
-
由專(zhuān)用小交換機提供服務(wù)的電話(huà)分機。
Each telephone served by a private branch exchange. -
每間辦公室都有電話(huà)分機。
There are telephone extensions in every office. -
她的廚房和臥室都有電話(huà)分機。
She has an extension in the kitchen and in the bedroom.
