| |||
| 非溢流 | |||
|
non- overflow : 21 phrases in 5 subjects |
| Bridge construction | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 9 |
| Oil / petroleum | 1 |
| Technology | 9 |
| |||
| 非溢流 | |||
|
non- overflow : 21 phrases in 5 subjects |
| Bridge construction | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 9 |
| Oil / petroleum | 1 |
| Technology | 9 |