| |||
| 年平均流量 | |||
|
annual average flow : 13 phrases in 5 subjects |
| Automobiles | 2 |
| Bridge construction | 1 |
| Hydroelectric power stations | 1 |
| Oceanography & oceanology | 4 |
| Technology | 5 |
| |||
| 年平均流量 | |||
|
annual average flow : 13 phrases in 5 subjects |
| Automobiles | 2 |
| Bridge construction | 1 |
| Hydroelectric power stations | 1 |
| Oceanography & oceanology | 4 |
| Technology | 5 |