 |
| |||
| ★ 直通交路 | |||
|
through routing : 5 phrases in 3 subjects |
| Hydroelectric power stations | 1 |
| Oceanography & oceanology | 1 |
| Telecommunications | 3 |
|
| |||
| ★ 直通交路 | |||
|
through routing : 5 phrases in 3 subjects |
| Hydroelectric power stations | 1 |
| Oceanography & oceanology | 1 |
| Telecommunications | 3 |