| |||
| natürliche Zirkulation; Naturumlauf m | |||
| Schwerkraftumlauf m; Schwerkraftwasserumlauf m | |||
|
gravity system : 26 phrases in 8 subjects |
| Automobiles | 1 |
| Construction | 7 |
| Electronics | 3 |
| Energy industry | 2 |
| Mechanic engineering | 5 |
| Physics | 2 |
| Technology | 4 |
| Transport | 2 |