 |
| |||
| thermal activity | |||
| 热活动: 25 phrases in 10 subjects |
| Automobiles | 2 |
| Aviation | 2 |
| Bodybuilding | 1 |
| Ecology | 1 |
| Engineering geology | 5 |
| Oil / petroleum | 3 |
| Project management | 1 |
| Space | 1 |
| Sports | 2 |
| Technology | 7 |
|
| |||
| thermal activity | |||
| 热活动: 25 phrases in 10 subjects |
| Automobiles | 2 |
| Aviation | 2 |
| Bodybuilding | 1 |
| Ecology | 1 |
| Engineering geology | 5 |
| Oil / petroleum | 3 |
| Project management | 1 |
| Space | 1 |
| Sports | 2 |
| Technology | 7 |