track circuit
with | polarized relay
| track circuit | |
| transp. el. | spoorstroomloop; spoorregelcircuit; spoorstroomkring |
| polarized relay | |
| el. | gepolariseerd relais; polair relais |
| |||
| spoorstroomloop m; spoorregelcircuit m; spoorstroomkring m | |||
|
track circuit : 52 phrases in 4 subjects |
| Communications | 2 |
| Electronics | 4 |
| Information technology | 8 |
| Transport | 38 |