第三人称复数：telephone exchanges
电话局
1. 电话局：satellite communications卫星通信 | telephone exchange电话局 | telephone, phone电话,电话机
2. 电话交换机：telephone directory 电话薄 | telephone exchange 电话交换机 | telephone extension 电话分机
3. 电话交换：telephone connection 用户终端 | telephone exchange 电话交换 | telephone network 电话网络
4. 电话交换台：telephone conduit | 电话线管 \r\n | telephone exchange | 电话交换台 \r\n | telephone pole | 电杆 \r\n
1. 电话交换台;总机;电话局
A telephone exchange is a building where connections are made between telephone lines.
1. The currency exchange market has no central office and operates 24 hours a day through a network of traders connected by computer and telephone.
2. Officials said town's main SNM Hospital and bus stand have got damaged and water has submerged telephone exchange thereby snapping communication links.
3. Police said the second bomb had been hidden in a telephone exchange box outside the Ministry for Macedonia and Thrace in Thessaloniki.
4. The actor was also spotted flirting with a mystery brunette in a New York nightclub, although the pair did not exchange telephone numbers.
noun
1. a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication