 |
| |||
| закрытая система | |||
| замкнутая система | |||
| мезокосм; замкнутый тракт | |||
| 封 闭系统: 17 phrases in 9 subjects |
| Astronautics | 1 |
| Combustion gas turbines | 1 |
| Ecology | 1 |
| Electronics | 2 |
| General | 4 |
| Mechanics | 2 |
| Oil and gas | 1 |
| Oilfields | 2 |
| Technology | 3 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips