 |
| 断 缝: 77 phrases in 21 subjects |
| Agriculture | 1 |
| Automobiles | 1 |
| Bridge construction | 5 |
| Business | 1 |
| Chemistry | 1 |
| Construction | 1 |
| Desert science | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| General | 1 |
| Metallurgy | 7 |
| Oil / petroleum | 1 |
| Plastic surgery | 2 |
| Plastics | 1 |
| Rail transport | 4 |
| Shipbuilding | 2 |
| Sports | 7 |
| Steel production | 1 |
| Surgery | 3 |
| Technology | 27 |
| Textile industry | 8 |
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