to-and-fro
| system
| to and fro | |
| chem. | hin und her |
| system | |
| gen. | Methode; System; Anlage |
| refrig. | System |
| tech. | Anlage; Anordnung; Bauart; Netz; Netzverbund; Bezugssystem datum |
| |||
| hin und her | |||
|
to-and-fro : 24 phrases in 7 subjects |
| Construction | 1 |
| General | 2 |
| Medical | 3 |
| Mining | 1 |
| Optics branch of physics | 2 |
| Physics | 3 |
| Technology | 12 |