 |
| |||
| трапециевидный профиль | |||
|
trapezoidal section : 5 phrases in 5 subjects |
| Aerodynamics | 1 |
| Hydraulic engineering | 1 |
| Physics | 1 |
| Rail transport | 1 |
| Technology | 1 |
|
| |||
| трапециевидный профиль | |||
|
trapezoidal section : 5 phrases in 5 subjects |
| Aerodynamics | 1 |
| Hydraulic engineering | 1 |
| Physics | 1 |
| Rail transport | 1 |
| Technology | 1 |