 |
| |||
| wye track; Y-track | |||
| |||
| Y-trach | |||
| wye track | |||
| |||
| U-rail | |||
| |||
| Y-track | |||
| |||
| wye track | |||
| 形轨道: 54 phrases in 13 subjects |
| Architecture | 1 |
| Chemistry | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| General | 3 |
| Hydroelectric power stations | 2 |
| Life sciences | 1 |
| Metallurgy | 1 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Space | 13 |
| Technology | 27 |