| |||
| 主力冲击 | |||
|
main thrust : 16 phrases in 7 subjects |
| Compressors | 1 |
| Earth sciences | 4 |
| Geology | 3 |
| Oil / petroleum | 1 |
| Scientific | 1 |
| Space | 3 |
| Technology | 3 |
| |||
| 主力冲击 | |||
|
main thrust : 16 phrases in 7 subjects |
| Compressors | 1 |
| Earth sciences | 4 |
| Geology | 3 |
| Oil / petroleum | 1 |
| Scientific | 1 |
| Space | 3 |
| Technology | 3 |