 |
| 三角 形的: 66 phrases in 16 subjects |
| Agriculture | 1 |
| Architecture | 7 |
| Automobiles | 1 |
| Aviation | 2 |
| Billiards | 1 |
| Cartography | 1 |
| Economy | 1 |
| Electronics | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 15 |
| Hydroelectric power stations | 2 |
| Mathematics | 1 |
| Metallurgy | 1 |
| Scientific | 2 |
| Technology | 26 |
| Textile industry | 2 |