| |||
| 管线压力; 管道压力 | |||
|
pipeline pressure : 25 phrases in 6 subjects |
| Communications | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 6 |
| Metallurgy | 2 |
| Technology | 13 |
| Water resources | 2 |
| |||
| 管线压力; 管道压力 | |||
|
pipeline pressure : 25 phrases in 6 subjects |
| Communications | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 6 |
| Metallurgy | 2 |
| Technology | 13 |
| Water resources | 2 |