| |||
| sliding scale | |||
| electric stairway; escalator; moving staircase; moving stairway; bollard | |||
| |||
| escalators; moving staircases escalators | |||
| |||
| escalators | |||
|
scala mobile : 7 短语, 5 学科 |
| 保险 | 1 |
| 技术 | 1 |
| 机械工程 | 2 |
| 法律 | 1 |
| 经济 | 2 |
| |||
| sliding scale | |||
| electric stairway; escalator; moving staircase; moving stairway; bollard | |||
| |||
| escalators; moving staircases escalators | |||
| |||
| escalators | |||
|
scala mobile : 7 短语, 5 学科 |
| 保险 | 1 |
| 技术 | 1 |
| 机械工程 | 2 |
| 法律 | 1 |
| 经济 | 2 |