 |
| |||
| construction and erection work | |||
| |||
| construction and assembly works (алешаBG); building and assembly works BAW (алешаBG) | |||
| строително-монтажни работи: 2 短语, 1 学科 |
| 建造 | 2 |
|
| |||
| construction and erection work | |||
| |||
| construction and assembly works (алешаBG); building and assembly works BAW (алешаBG) | |||
| строително-монтажни работи: 2 短语, 1 学科 |
| 建造 | 2 |