 |
| |||
| 轨头发裂 | |||
| 钢轨头部龟裂 (in rail) | |||
|
head-check : 4 do fraz, 3 tematyki |
| Pospolicie | 1 |
| Ropa / ropa naftowa | 1 |
| Technika i technologia | 2 |
|
| |||
| 轨头发裂 | |||
| 钢轨头部龟裂 (in rail) | |||
|
head-check : 4 do fraz, 3 tematyki |
| Pospolicie | 1 |
| Ropa / ropa naftowa | 1 |
| Technika i technologia | 2 |