 |
| |||
| vapour oxygen blast | |||
| |||
| oxygen-steam blast | |||
| steam-oxygen blast | |||
| парокислородное дутьё: 4 phrases in 1 subject |
| Gas processing plants | 4 |
|
| |||
| vapour oxygen blast | |||
| |||
| oxygen-steam blast | |||
| steam-oxygen blast | |||
| парокислородное дутьё: 4 phrases in 1 subject |
| Gas processing plants | 4 |