 |
| |||
| 首部闸门; 引水闸门; 水闸; 排水巷道 | |||
| 渠首闸; 进水闸 | |||
| 第一出口闸阀 | |||
| headgate: 7 phrases in 4 subjects |
| Agriculture | 1 |
| Hydraulics | 1 |
| Hydroelectric power stations | 1 |
| Technology | 4 |
|
| |||
| 首部闸门; 引水闸门; 水闸; 排水巷道 | |||
| 渠首闸; 进水闸 | |||
| 第一出口闸阀 | |||
| headgate: 7 phrases in 4 subjects |
| Agriculture | 1 |
| Hydraulics | 1 |
| Hydroelectric power stations | 1 |
| Technology | 4 |