 |
| |||
| gate track; guide rails | |||
| |||
| guide rail | |||
| crane rail | |||
| running rail | |||
| roller path; roller track | |||
|
rails de roulement : 6 短语, 2 学科 |
| 煤炭 | 1 |
| 运输 | 5 |
|
| |||
| gate track; guide rails | |||
| |||
| guide rail | |||
| crane rail | |||
| running rail | |||
| roller path; roller track | |||
|
rails de roulement : 6 短语, 2 学科 |
| 煤炭 | 1 |
| 运输 | 5 |