 |
| |||
| flow-line | |||
| 流线段: 9 phrases in 6 subjects |
| Hydroelectric power stations | 1 |
| Nautical | 2 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 3 |
|
| |||
| flow-line | |||
| 流线段: 9 phrases in 6 subjects |
| Hydroelectric power stations | 1 |
| Nautical | 2 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 3 |