 |
| |||
| полисульфид | |||
| персульфид (a sulphide containing more sulphur than some other compound of the same elements) | |||
| persulphide: 11 phrases, 2 sujets |
| Chimie | 10 |
| Pétrole / pétrole | 1 |
|
| |||
| полисульфид | |||
| персульфид (a sulphide containing more sulphur than some other compound of the same elements) | |||
| persulphide: 11 phrases, 2 sujets |
| Chimie | 10 |
| Pétrole / pétrole | 1 |