| |||
| 校准装置 | |||
|
Calibration Device : 12 phrases in 5 subjects |
| Aviation | 1 |
| Oil / petroleum | 5 |
| Space | 1 |
| Technology | 4 |
| Textile industry | 1 |
| |||
| 校准装置 | |||
|
Calibration Device : 12 phrases in 5 subjects |
| Aviation | 1 |
| Oil / petroleum | 5 |
| Space | 1 |
| Technology | 4 |
| Textile industry | 1 |