toll line meaning in Chinese
长途电话线
长途电信线路
Examples
- Toll line lamp
长途线号灯 - Strowger system introduced in australia and new zealand . development of key - type impulse sender , and simplex dialing on toll lines
澳大利亚和新西兰引进史端乔系统。开发键式脉冲发送器和长途电话线单工拨号。
长途电话线
长途电信线路