| |||
| Relaisregelung f | |||
| Schützensteuerung f | |||
| Relais-Steuerung n; Relaissteuerung f | |||
|
relay control : 50 phrases in 9 subjects |
| Automated equipment | 16 |
| Communications | 3 |
| Construction | 1 |
| Electronics | 3 |
| Measuring instruments | 5 |
| Power system protection | 2 |
| Technology | 16 |
| Telecommunications | 2 |
| Transport | 2 |