 |
| |||
| bar | |||
| 条棒: 40 phrases in 7 subjects |
| Air defense | 1 |
| Architecture | 4 |
| Engineering geology | 1 |
| Metallurgy | 9 |
| Plastics | 4 |
| Technology | 20 |
| Telecommunications | 1 |
|
| |||
| bar | |||
| 条棒: 40 phrases in 7 subjects |
| Air defense | 1 |
| Architecture | 4 |
| Engineering geology | 1 |
| Metallurgy | 9 |
| Plastics | 4 |
| Technology | 20 |
| Telecommunications | 1 |