 |
| |||
| welder's certificate (igisheva) | |||
| welder qualification (Yeldar Azanbayev) | |||
| |||
| welders certificates (Seregaboss) | |||
| удостоверение сварщика: 4 短语, 4 学科 |
| 建造 | 1 |
| 油和气 | 1 |
| 焊接 | 1 |
| 石油/石油 | 1 |
|
| |||
| welder's certificate (igisheva) | |||
| welder qualification (Yeldar Azanbayev) | |||
| |||
| welders certificates (Seregaboss) | |||
| удостоверение сварщика: 4 短语, 4 学科 |
| 建造 | 1 |
| 油和气 | 1 |
| 焊接 | 1 |
| 石油/石油 | 1 |