铁路轨道 railway ; track ; Railroad Track ; rail track
音频轨道电路 Audio Frequency Track Circuit ; FTGS ; audio track circuit
轨道路基 track bed
开放式轨道电路 Open Type Track Circuit
双轨道电路 double rail track circuit
叠加轨道电路 overlap track circuit
开路式轨道电路 open type track circuit ; [铁路] open track circuit ; normally open track circuit
铁路轨道建设 X Construction Lite ; X Construct
调频轨道电路 frequency modulated track circuit
直流轨道电路 dc track circuit
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