 |
| |||
| 河流控制 | |||
| stream control: 33 phrases in 12 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Bridge construction | 1 |
| Business | 1 |
| Ecology | 1 |
| Electronics | 5 |
| Engineering geology | 1 |
| Hydrology | 1 |
| Information technology | 4 |
| Metallurgy | 5 |
| Space | 1 |
| Technology | 11 |
|
| |||
| 河流控制 | |||
| stream control: 33 phrases in 12 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Bridge construction | 1 |
| Business | 1 |
| Ecology | 1 |
| Electronics | 5 |
| Engineering geology | 1 |
| Hydrology | 1 |
| Information technology | 4 |
| Metallurgy | 5 |
| Space | 1 |
| Technology | 11 |