 |
| 往复运动: 24 phrases in 10 subjects |
| Automobiles | 1 |
| Drilling | 1 |
| General | 8 |
| Jet engines | 1 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Technology | 8 |
| Textile industry | 1 |
|
| 往复运动: 24 phrases in 10 subjects |
| Automobiles | 1 |
| Drilling | 1 |
| General | 8 |
| Jet engines | 1 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Technology | 8 |
| Textile industry | 1 |