extension telephone
短语词组
- extension n telephone set 電話分機
- extension telephone set 電話分機
- Extension of international telephone services 國際電話業務的擴展
- extension telephone set telephone extension 電話分機
- telephone extension 電話分機
- extension of base field telephone 竝接電話
- extension number of a telephone 電話分機號碼
- fire telephone extension 消防電話分機 返回 extension telephone