二线系统的英文

two-wire system

• 系统:    system
• 二线载波系统:    two-wire carrier s ...
• df天线系统:    df antenna system

例句与用法

1. First installation in canada ( edmonton , alta . ) . invention of small dial and two - wire system eliminating ground at subscriber ' s station
   电话系统首次在加拿大（阿尔塔省埃德蒙顿）安装。发明小型拨号盘和二线系统，并取消用户端的地线。