A.ETCS-64 B.ETCS-79 C.ETCS-5 D.ETCS-24
A.RBC;聯(lián)鎖 B.RBC;CTC C.應(yīng)答器;RBC D.RBC;應(yīng)答器
A.210±3mm B.210±5mm C.210±8mm D.210±10mm
A.239±2mm B.239±3mm C.239±5mm D.241±2mm
A.3 B.5 C.10 D.15