capacity of telephone exchange
常见例句
- By the end of 1998, the home-made exchanges had constituted 98% of all the newly added telephone exchange capacity.
到1998年底，通信网新增 电话 交换机中，国内生产设备的比重已达到98%。
http://dj.iciba.com - Program-controlled telephone exchange capacity of the city accounts for 49.4 million lines, built a broadband residential and boutique information technology district 72.
全市程控电话交换机容量达49.4万门，建成了宽带小区和精品信息化小区72个。 返回 capacity of telephone exchange