 |
| |||
| check; cheque | |||
| retaining box; retaining lock | |||
| 挡水闸: 11 phrases in 5 subjects |
| Electronics | 2 |
| Hydraulics | 1 |
| Hydroelectric power stations | 2 |
| Technology | 5 |
| Water resources | 1 |
|
| |||
| check; cheque | |||
| retaining box; retaining lock | |||
| 挡水闸: 11 phrases in 5 subjects |
| Electronics | 2 |
| Hydraulics | 1 |
| Hydroelectric power stations | 2 |
| Technology | 5 |
| Water resources | 1 |