 |
| |||
| ridge bed | |||
| buttress; counterfort; spur | |||
| hump or summit in a gravity yard; incline for train sorting | |||
| road hump; sleeping policeman; speed control hump; speed hump; speed ramp | |||
| dos d'ane: 13 短语, 4 学科 |
| 一般 | 2 |
| 建造 | 5 |
| 行业 | 1 |
| 运输 | 5 |
|
| |||
| ridge bed | |||
| buttress; counterfort; spur | |||
| hump or summit in a gravity yard; incline for train sorting | |||
| road hump; sleeping policeman; speed control hump; speed hump; speed ramp | |||
| dos d'ane: 13 短语, 4 学科 |
| 一般 | 2 |
| 建造 | 5 |
| 行业 | 1 |
| 运输 | 5 |