| |||
| 多重探测器 | |||
|
multiple detector : 14 phrases in 5 subjects |
| Chemistry | 1 |
| Electronics | 5 |
| Oil processing plants | 1 |
| Space | 2 |
| Technology | 5 |
| |||
| 多重探测器 | |||
|
multiple detector : 14 phrases in 5 subjects |
| Chemistry | 1 |
| Electronics | 5 |
| Oil processing plants | 1 |
| Space | 2 |
| Technology | 5 |