 |
| |||
| 许用值; 允许值 | |||
| 容许值 | |||
| allowable value: 20 phrases in 7 subjects |
| Bridge construction | 5 |
| Ecology | 1 |
| Engineering geology | 2 |
| Hydroelectric power stations | 3 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Technology | 7 |
|
| |||
| 许用值; 允许值 | |||
| 容许值 | |||
| allowable value: 20 phrases in 7 subjects |
| Bridge construction | 5 |
| Ecology | 1 |
| Engineering geology | 2 |
| Hydroelectric power stations | 3 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Technology | 7 |