 |
| |||
| blowdown equipment (барабана парового котла) | |||
| оборудование продувки: 7 phrases in 4 subjects |
| Drilling | 1 |
| Energy industry | 4 |
| Energy system | 1 |
| General | 1 |
|
| |||
| blowdown equipment (барабана парового котла) | |||
| оборудование продувки: 7 phrases in 4 subjects |
| Drilling | 1 |
| Energy industry | 4 |
| Energy system | 1 |
| General | 1 |