| |||
| 试验样机 | |||
|
test prototype : 21 phrases in 10 subjects |
| Automobiles | 2 |
| Aviation | 4 |
| Bridge construction | 1 |
| Economics | 1 |
| Electric machinery | 2 |
| Engineering geology | 2 |
| Hydroelectric power stations | 1 |
| Rail transport | 1 |
| Space | 1 |
| Technology | 6 |
| |||
| 试验样机 | |||
|
test prototype : 21 phrases in 10 subjects |
| Automobiles | 2 |
| Aviation | 4 |
| Bridge construction | 1 |
| Economics | 1 |
| Electric machinery | 2 |
| Engineering geology | 2 |
| Hydroelectric power stations | 1 |
| Rail transport | 1 |
| Space | 1 |
| Technology | 6 |