 |
| |||
| 泄水沟; 排水道 | |||
|
outlet drain : 20 phrases in 9 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Chemistry | 4 |
| Ecology | 1 |
| Hydraulics | 1 |
| Metallurgy | 2 |
| Plastics | 1 |
| Technology | 8 |
| Water resources | 1 |
|
| |||
| 泄水沟; 排水道 | |||
|
outlet drain : 20 phrases in 9 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Chemistry | 4 |
| Ecology | 1 |
| Hydraulics | 1 |
| Metallurgy | 2 |
| Plastics | 1 |
| Technology | 8 |
| Water resources | 1 |