 |
| 打孔: 134 phrases in 18 subjects |
| Astronautics | 1 |
| Automated equipment | 1 |
| Computers | 1 |
| Electronics | 9 |
| Forestry | 1 |
| General | 43 |
| Geology | 1 |
| Information technology | 4 |
| Mechanic engineering | 1 |
| Mechanics | 1 |
| Military | 2 |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oil processing plants | 5 |
| Polygraphy | 1 |
| Technology | 58 |
| Textile industry | 1 |