 |
| |||
| air start | |||
| 空气起动: 74 phrases in 8 subjects |
| Automobiles | 19 |
| Aviation | 10 |
| Bridge construction | 1 |
| Hydroelectric power stations | 1 |
| Nautical | 4 |
| Refrigeration | 1 |
| Shipbuilding | 2 |
| Technology | 36 |
|
| |||
| air start | |||
| 空气起动: 74 phrases in 8 subjects |
| Automobiles | 19 |
| Aviation | 10 |
| Bridge construction | 1 |
| Hydroelectric power stations | 1 |
| Nautical | 4 |
| Refrigeration | 1 |
| Shipbuilding | 2 |
| Technology | 36 |