 |
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| 工程工作说明 | |||
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engineering work statement : 9 do fraz, 5 tematyki |
| Biznes | 1 |
| Ekonomia | 1 |
| Elektronika | 1 |
| Lotnictwo | 5 |
| Technika i technologia | 1 |
|
| |||
| 工程工作说明 | |||
|
engineering work statement : 9 do fraz, 5 tematyki |
| Biznes | 1 |
| Ekonomia | 1 |
| Elektronika | 1 |
| Lotnictwo | 5 |
| Technika i technologia | 1 |