 |
| 固定环: 59 phrases in 13 subjects |
| Astronautics | 1 |
| Automated equipment | 1 |
| Aviation | 1 |
| Electronics | 3 |
| General | 20 |
| Geology | 1 |
| Information technology | 1 |
| Jet engines | 1 |
| Leather | 1 |
| Medical | 3 |
| Military | 3 |
| Shipbuilding | 1 |
| Technology | 22 |
|
| 固定环: 59 phrases in 13 subjects |
| Astronautics | 1 |
| Automated equipment | 1 |
| Aviation | 1 |
| Electronics | 3 |
| General | 20 |
| Geology | 1 |
| Information technology | 1 |
| Jet engines | 1 |
| Leather | 1 |
| Medical | 3 |
| Military | 3 |
| Shipbuilding | 1 |
| Technology | 22 |