 |
| |||
| road construction material; road-building material; roadmaking material | |||
| road-making material | |||
| материал для строительства дорог: 2 短语, 1 学科 |
| 道路工程 | 2 |
|
| |||
| road construction material; road-building material; roadmaking material | |||
| road-making material | |||
| материал для строительства дорог: 2 短语, 1 学科 |
| 道路工程 | 2 |