Terms for subject Technology containing coded track-circuit

English	Chinese
automatic block with coded track circuit	电码自动闭塞
automatic block with polar frequency coded track circuits	极频电码轨道电路自动闭塞
automatic block with polar frequency coded track circuits	极性频率脉冲自动闭锁
coded track circuit	编码轨道电路
polar-frequency coded track circuit	极频电码轨道电路