 |
| 压 铁: 221 phrases in 27 subjects |
| Agriculture | 2 |
| Architecture | 1 |
| Automobiles | 3 |
| Aviation | 1 |
| Bridge construction | 1 |
| Chemistry | 2 |
| Compressors | 1 |
| Computer numerical control | 1 |
| Continuous casting | 1 |
| Earth sciences | 1 |
| Electric machinery | 46 |
| Electronics | 19 |
| Engineering geology | 1 |
| General | 9 |
| Hydroelectric power stations | 2 |
| Information technology | 3 |
| Mechanics | 1 |
| Metallurgy | 53 |
| Nautical | 1 |
| Oil / petroleum | 2 |
| Plastics | 1 |
| Rail transport | 4 |
| Shipbuilding | 1 |
| Skydiving | 1 |
| Technology | 57 |
| Telecommunications | 2 |
| Textile industry | 4 |