 |
| |||
| triangulaire | |||
| trièdre | |||
| trilatéral; trigonoédrique | |||
| трёхгранный: 51 phrases in 14 subjects |
| Anatomy | 1 |
| Armored vehicles | 1 |
| Chemistry | 1 |
| Construction | 3 |
| General | 3 |
| Ichthyology | 2 |
| Mathematics | 2 |
| Mechanic engineering | 16 |
| Medical | 3 |
| Radio | 3 |
| Radiolocation | 1 |
| Surveying | 1 |
| Technology | 8 |
| Textile industry | 6 |