telephone extension
短语词组
- fire telephone extension 消防電話分機
- telephone extension set 電話分機
- Telephone Extension and Supplementary Facilities 用戶電話副機及附件
- extension telephone set telephone extension 電話分機
- extension telephone [通信]電話分機;客艙電話;船內電話;分機
- extension telephone set 電話分機
- extension n telephone set 電話分機 返回 telephone extension