 |
| |||
| electronic gas measurement | |||
| 电子气测: 20 phrases in 9 subjects |
| Earth sciences | 4 |
| Ecology | 1 |
| Electronics | 1 |
| General | 3 |
| Oil / petroleum | 2 |
| Oil processing plants | 1 |
| Space | 1 |
| Technology | 3 |
| Water resources | 4 |
|
| |||
| electronic gas measurement | |||
| 电子气测: 20 phrases in 9 subjects |
| Earth sciences | 4 |
| Ecology | 1 |
| Electronics | 1 |
| General | 3 |
| Oil / petroleum | 2 |
| Oil processing plants | 1 |
| Space | 1 |
| Technology | 3 |
| Water resources | 4 |