 |
| |||
| bridge approach | |||
| ramp; steep | |||
| gangway; approach ramp | |||
| access ramp | |||
| |||
| access path; ramp | |||
| rampe dacces: 10 短语, 4 学科 |
| 一般 | 1 |
| 建造 | 3 |
| 运输 | 4 |
| 通讯 | 2 |
|
| |||
| bridge approach | |||
| ramp; steep | |||
| gangway; approach ramp | |||
| access ramp | |||
| |||
| access path; ramp | |||
| rampe dacces: 10 短语, 4 学科 |
| 一般 | 1 |
| 建造 | 3 |
| 运输 | 4 |
| 通讯 | 2 |