 |
| |||
| gaz protecteur; gaz de protection | |||
| atmosphère de protection; atmosphère protectrice; gaz de conditionnement | |||
| защитная атмосфера: 9 phrases in 5 subjects |
| Chemistry | 1 |
| Electronics | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 5 |
| Welding | 1 |
|
| |||
| gaz protecteur; gaz de protection | |||
| atmosphère de protection; atmosphère protectrice; gaz de conditionnement | |||
| защитная атмосфера: 9 phrases in 5 subjects |
| Chemistry | 1 |
| Electronics | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 5 |
| Welding | 1 |