| |||
| 摩擦损失的压头; 摩擦水头 | |||
|
frictional head : 6 phrases in 4 subjects |
| Bridge construction | 1 |
| Engineering geology | 1 |
| Refrigeration | 1 |
| Technology | 3 |
| |||
| 摩擦损失的压头; 摩擦水头 | |||
|
frictional head : 6 phrases in 4 subjects |
| Bridge construction | 1 |
| Engineering geology | 1 |
| Refrigeration | 1 |
| Technology | 3 |