telephone extension
短语词组
- fire telephone extension 消防电话分机
- telephone extension set 电话分机
- Telephone Extension and Supplementary Facilities 用户电话副机及附件
- extension telephone set telephone extension 电话分机
- extension telephone [通信]电话分机;客舱电话;船内电话;分机
- extension telephone set 电话分机
- extension n telephone set 电话分机 返回 telephone extension