| |||
| 动力单位 | |||
|
dynamic unit : 14 phrases in 11 subjects |
| Aviation | 1 |
| Drilling | 1 |
| Electricity | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 1 |
| Mechanics | 1 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Space | 3 |
| Technology | 2 |
| |||
| 动力单位 | |||
|
dynamic unit : 14 phrases in 11 subjects |
| Aviation | 1 |
| Drilling | 1 |
| Electricity | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 1 |
| Mechanics | 1 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Space | 3 |
| Technology | 2 |