 |
| |||
| 轨道中心间距; 轨道中线距 | |||
| |||
| 履带轨中心距 | |||
| 轨道中线距; 线间距; 轨道中心距离; 履带中心距 (离) | |||
| track-center distance: 5 phrases in 3 subjects |
| Bridge construction | 1 |
| Rail transport | 1 |
| Technology | 3 |
|
| |||
| 轨道中心间距; 轨道中线距 | |||
| |||
| 履带轨中心距 | |||
| 轨道中线距; 线间距; 轨道中心距离; 履带中心距 (离) | |||
| track-center distance: 5 phrases in 3 subjects |
| Bridge construction | 1 |
| Rail transport | 1 |
| Technology | 3 |