| |||
| 试验实验工作; 试制品 | |||
| 试车; 试验工作; 检验工作 | |||
|
test work : 24 phrases in 9 subjects |
| Automobiles | 3 |
| Aviation | 8 |
| Chemistry | 2 |
| Economics | 1 |
| Electronics | 2 |
| Metallurgy | 2 |
| Pediatrics | 1 |
| Sports | 2 |
| Technology | 3 |
| |||
| 试验实验工作; 试制品 | |||
| 试车; 试验工作; 检验工作 | |||
|
test work : 24 phrases in 9 subjects |
| Automobiles | 3 |
| Aviation | 8 |
| Chemistry | 2 |
| Economics | 1 |
| Electronics | 2 |
| Metallurgy | 2 |
| Pediatrics | 1 |
| Sports | 2 |
| Technology | 3 |