 |
| |||
| метод дождевания (при проверке герметичности фюзеляжа Медведь) | |||
| waterproofing method: 7 phrases in 4 subjects |
| Cement | 1 |
| Construction | 3 |
| Firefighting and fire-control systems | 1 |
| Seismology | 2 |
|
| |||
| метод дождевания (при проверке герметичности фюзеляжа Медведь) | |||
| waterproofing method: 7 phrases in 4 subjects |
| Cement | 1 |
| Construction | 3 |
| Firefighting and fire-control systems | 1 |
| Seismology | 2 |