应答器信息接收单元 9-(2-Hydroxy-ethoxy-methyl)-guanine
超音波法液位元元元元元元测定 ultra-sonic method of liquid meaduremert
轨道电路电码化 coding of track circuits
轨道电路接线 bond; Rail
单信道接收 single channel reception
充电单元电路 charging unit circuit
链接信息单元 link information unit; liu
单元接单元技术 EBE technique
25Hz微电子相敏轨道电路 25 Hz phase detecting track circuit
25Hz相敏轨道电路 25Hz phase detecting track circuit
T121-M数字无绝缘轨道电路 TI21-M digital jointless track circuit
ZPW-2000A轨道电路 track circuit
ZPW-2000系列轨道电路 ZPW-2000 series track circuit
闭路式轨道电路 closed track circuit
编码制式音频轨道电路 coding system audio-frequency track circuit
并联式轨道电路 parallel track circuit
并行轨道电路 parallel track circuit
不对称高压脉冲轨道电路 and Asymmetric impulse track circuit
不对称脉冲轨道电路 Asymmetric impulse track circuit